{"id":33940,"date":"2025-08-20T09:45:28","date_gmt":"2025-08-20T09:45:28","guid":{"rendered":"https:\/\/www.oceanautic.es\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/"},"modified":"2025-08-20T09:45:28","modified_gmt":"2025-08-20T09:45:28","slug":"how-long-is-a-nautical-mile-and-why-is-it-used","status":"publish","type":"post","link":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/","title":{"rendered":"How Long Is a Nautical Mile and Why Is It Used"},"content":{"rendered":"<p>When we talk about navigation, whether on a sailboat, catamaran, or yacht, a very particular measurement inevitably appears: the <strong>nautical mile<\/strong>. Unlike the land mile we use on solid ground, the nautical mile is based on the geometry of the Earth and has a very specific utility for those who sail seas and oceans.<br \/>\nIn this article we will explain <strong>how long a nautical mile is<\/strong>, where this unit of measurement comes from, and why it remains so important in modern navigation. <\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#How_Long_Is_a_Nautical_Mile_Exactly\" >How Long Is a Nautical Mile Exactly?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#Difference_Between_Nautical_Mile_and_Land_Mile\" >Difference Between Nautical Mile and Land Mile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#Why_Is_the_Nautical_Mile_Used\" >Why Is the Nautical Mile Used?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#History_and_Evolution_of_the_Nautical_Mile\" >History and Evolution of the Nautical Mile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#Practical_Examples\" >Practical Examples<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#The_Nautical_Mile_in_Recreational_Navigation\" >The Nautical Mile in Recreational Navigation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#Advantages_of_Continuing_to_Use_This_Measurement\" >Advantages of Continuing to Use This Measurement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"How_Long_Is_a_Nautical_Mile_Exactly\"><\/span>How Long Is a Nautical Mile Exactly?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The <strong>nautical mile<\/strong> is a unit of length used primarily in maritime and aerial navigation.<br \/>\nPrecisely, <strong>1 nautical mile equals 1,852 meters<\/strong> (or 1.852 kilometers). This figure is not arbitrary: it comes from a direct relationship with the Earth&#8217;s circumference. <\/p>\n<p>To understand it better, let&#8217;s imagine the planet as a sphere. The total circumference is divided into 360 degrees and each degree into 60 minutes. A nautical mile corresponds to <strong>the distance equivalent to one minute of arc of a meridian<\/strong> (an imaginary line connecting the poles).<br \/>\nFor this reason, the nautical mile is intrinsically linked to cartography and navigation, allowing distances to be related to geographic coordinates.  <\/p>\n<h2><span class=\"ez-toc-section\" id=\"Difference_Between_Nautical_Mile_and_Land_Mile\"><\/span>Difference Between Nautical Mile and Land Mile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sometimes the nautical mile is confused with the land mile or international mile, but they are not the same:<\/p>\n<ul>\n<li><strong>Nautical mile<\/strong>: 1,852 meters.<\/li>\n<li><strong>Land mile<\/strong>: 1,609.34 meters.<\/li>\n<\/ul>\n<p>The land mile is based on historical measurement systems of Anglo-Saxon origin, while the nautical mile has a geodesic origin (related to the shape and size of the Earth).<\/p>\n<p>In practice, this means that a captain calculating the distance from one port to another will do so in nautical miles, not in kilometers or land miles.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_Is_the_Nautical_Mile_Used\"><\/span>Why Is the Nautical Mile Used?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The main reason is that the nautical mile adapts perfectly to the way distances are represented on nautical charts.<br \/>\nSince it is linked to minutes of arc, it facilitates direct measurement on maps: one minute of latitude equals one nautical mile. This makes navigation calculations faster, more intuitive, and more precise. <\/p>\n<p>Additionally, speeds in maritime and aerial navigation are expressed in <strong>knots<\/strong> (<em>knots<\/em> in English), and one knot equals one nautical mile per hour.<br \/>\nFor example, if a boat sails at 10 knots, it covers 18.52 kilometers per hour.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"History_and_Evolution_of_the_Nautical_Mile\"><\/span>History and Evolution of the Nautical Mile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Although today it is standardized at 1,852 meters thanks to an international agreement adopted in 1929, the nautical mile had historical variations depending on the country. Some defined it based on their own calculation of the minute of arc, which gave slight differences. <\/p>\n<p>Uniformity came when the International Hydrographic Organization proposed the exact equivalence in meters, which facilitated maritime trade and cooperation between fleets.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Practical_Examples\"><\/span>Practical Examples<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>The distance between Malaga and Melilla is approximately <strong>112 nautical miles<\/strong>, which equals about 207 kilometers.<\/li>\n<li>If you rent a boat on the Costa del Sol and travel 5 nautical miles, you will have sailed 9.26 km.<\/li>\n<li>A sailboat traveling at 6 knots takes 10 hours to cover 60 nautical miles.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"The_Nautical_Mile_in_Recreational_Navigation\"><\/span>The Nautical Mile in Recreational Navigation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Those who practice recreational sailing or rent vessels also use the nautical mile as a constant reference. For example, when booking a <strong><a href=\"https:\/\/www.oceanautic.es\/catamaran-malaga\/\">catamaran rental in Malaga<\/a><\/strong> to tour the coast, the itinerary is usually planned in nautical miles to estimate time and fuel consumption. The same applies when reserving <strong><a href=\"https:\/\/www.oceanautic.es\/en\/boat-tours-with-dolphin-watching\/\">boat tours in Malaga<\/a><\/strong>: routes are always plotted in this unit of measurement.  <\/p>\n<p>In nautical schools, learning <strong>how long a nautical mile is<\/strong> is one of the first concepts taught. This is essential for passing qualifications such as the <strong><a href=\"https:\/\/www.oceanautic.es\/producto\/licencia\/\">titul\u00edn in Malaga<\/a><\/strong>, the navigation license that authorizes operating recreational vessels up to 6 meters in length. <\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages_of_Continuing_to_Use_This_Measurement\"><\/span>Advantages of Continuing to Use This Measurement<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Although the metric system is the most widespread on land, the nautical mile has clear advantages:<\/p>\n<ol>\n<li><strong>Geographic precision<\/strong>: its direct relationship with meridians and parallels makes it very useful for positioning.<\/li>\n<li><strong>International standard<\/strong>: recreational boats, merchant vessels, and aircraft all use it.<\/li>\n<li><strong>Ease of calculation<\/strong>: it simplifies navigation on charts and nautical GPS.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Knowing <strong>how long a nautical mile is<\/strong> is not just a curiosity, but a necessity for anyone who wants to navigate safely and effectively.<br \/>\nIts fixed value of <strong>1,852 meters<\/strong> makes it the ideal measurement for representing distances at sea and in the air, and its link to terrestrial geometry ensures a precision that other systems do not offer.<\/p>\n<p>Whether you sail professionally or just for enjoyment, mastering this concept will allow you to interpret routes, estimate times, and enjoy each voyage more.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When we talk about navigation, whether on a sailboat, catamaran, or yacht, a very particular measurement inevitably appears: the nautical mile. Unlike the land mile we use on solid ground, the nautical mile is based on the geometry of the Earth and has a very specific utility for those who sail seas and oceans. In&#8230;<\/p>\n","protected":false},"author":2,"featured_media":33941,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-33940","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nautical"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Long Is a Nautical Mile and Why Is It Used | OceaNautic<\/title>\n<meta name=\"description\" content=\"Discover how long a nautical mile is, its origin, uses, and differences from the land mile. A guide to understanding its importance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Long Is a Nautical Mile and Why Is It Used | OceaNautic\" \/>\n<meta property=\"og:description\" content=\"Discover how long a nautical mile is, its origin, uses, and differences from the land mile. A guide to understanding its importance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/\" \/>\n<meta property=\"og:site_name\" content=\"OceaNautic\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/oceanautic.club\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-20T09:45:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2025\/08\/sun-shines-wooden-wheel-held-by-man-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"683\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Juan Francisco\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@oceanautic\" \/>\n<meta name=\"twitter:site\" content=\"@oceanautic\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Juan Francisco\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/\"},\"author\":{\"name\":\"Juan Francisco\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#\\\/schema\\\/person\\\/3012a77756677bf8ce5ba04129d41624\"},\"headline\":\"How Long Is a Nautical Mile and Why Is It Used\",\"datePublished\":\"2025-08-20T09:45:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/\"},\"wordCount\":756,\"publisher\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.oceanautic.es\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/sun-shines-wooden-wheel-held-by-man-1.jpg\",\"articleSection\":[\"Nautical\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/\",\"url\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/\",\"name\":\"How Long Is a Nautical Mile and Why Is It Used | OceaNautic\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.oceanautic.es\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/sun-shines-wooden-wheel-held-by-man-1.jpg\",\"datePublished\":\"2025-08-20T09:45:28+00:00\",\"description\":\"Discover how long a nautical mile is, its origin, uses, and differences from the land mile. A guide to understanding its importance.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.oceanautic.es\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/sun-shines-wooden-wheel-held-by-man-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.oceanautic.es\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/sun-shines-wooden-wheel-held-by-man-1.jpg\",\"width\":1024,\"height\":683,\"caption\":\"how long is a nautical mile\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/blog\\\/how-long-is-a-nautical-mile-and-why-is-it-used\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/www.oceanautic.es\\\/en\\\/home\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How Long Is a Nautical Mile and Why Is It Used\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#website\",\"url\":\"https:\\\/\\\/www.oceanautic.es\\\/\",\"name\":\"OceaNautic\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.oceanautic.es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#organization\",\"name\":\"OceaNautic\",\"url\":\"https:\\\/\\\/www.oceanautic.es\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.oceanautic.es\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/logo-footer.jpg\",\"contentUrl\":\"https:\\\/\\\/www.oceanautic.es\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/logo-footer.jpg\",\"width\":162,\"height\":113,\"caption\":\"OceaNautic\"},\"image\":{\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/oceanautic.club\",\"https:\\\/\\\/x.com\\\/oceanautic\",\"https:\\\/\\\/www.instagram.com\\\/oceanautic\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.oceanautic.es\\\/#\\\/schema\\\/person\\\/3012a77756677bf8ce5ba04129d41624\",\"name\":\"Juan Francisco\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/50c9b13466ddcb950730113c47480fa4ef9b4510cfdc1279ebc57a32278c4aec?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/50c9b13466ddcb950730113c47480fa4ef9b4510cfdc1279ebc57a32278c4aec?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/50c9b13466ddcb950730113c47480fa4ef9b4510cfdc1279ebc57a32278c4aec?s=96&d=mm&r=g\",\"caption\":\"Juan Francisco\"},\"sameAs\":[\"https:\\\/\\\/www.oceanautic.es\\\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How Long Is a Nautical Mile and Why Is It Used | OceaNautic","description":"Discover how long a nautical mile is, its origin, uses, and differences from the land mile. A guide to understanding its importance.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/","og_locale":"en_US","og_type":"article","og_title":"How Long Is a Nautical Mile and Why Is It Used | OceaNautic","og_description":"Discover how long a nautical mile is, its origin, uses, and differences from the land mile. A guide to understanding its importance.","og_url":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/","og_site_name":"OceaNautic","article_publisher":"https:\/\/www.facebook.com\/oceanautic.club","article_published_time":"2025-08-20T09:45:28+00:00","og_image":[{"width":1024,"height":683,"url":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2025\/08\/sun-shines-wooden-wheel-held-by-man-1.jpg","type":"image\/jpeg"}],"author":"Juan Francisco","twitter_card":"summary_large_image","twitter_creator":"@oceanautic","twitter_site":"@oceanautic","twitter_misc":{"Written by":"Juan Francisco","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#article","isPartOf":{"@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/"},"author":{"name":"Juan Francisco","@id":"https:\/\/www.oceanautic.es\/#\/schema\/person\/3012a77756677bf8ce5ba04129d41624"},"headline":"How Long Is a Nautical Mile and Why Is It Used","datePublished":"2025-08-20T09:45:28+00:00","mainEntityOfPage":{"@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/"},"wordCount":756,"publisher":{"@id":"https:\/\/www.oceanautic.es\/#organization"},"image":{"@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#primaryimage"},"thumbnailUrl":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2025\/08\/sun-shines-wooden-wheel-held-by-man-1.jpg","articleSection":["Nautical"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/","url":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/","name":"How Long Is a Nautical Mile and Why Is It Used | OceaNautic","isPartOf":{"@id":"https:\/\/www.oceanautic.es\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#primaryimage"},"image":{"@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#primaryimage"},"thumbnailUrl":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2025\/08\/sun-shines-wooden-wheel-held-by-man-1.jpg","datePublished":"2025-08-20T09:45:28+00:00","description":"Discover how long a nautical mile is, its origin, uses, and differences from the land mile. A guide to understanding its importance.","breadcrumb":{"@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#primaryimage","url":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2025\/08\/sun-shines-wooden-wheel-held-by-man-1.jpg","contentUrl":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2025\/08\/sun-shines-wooden-wheel-held-by-man-1.jpg","width":1024,"height":683,"caption":"how long is a nautical mile"},{"@type":"BreadcrumbList","@id":"https:\/\/www.oceanautic.es\/en\/blog\/how-long-is-a-nautical-mile-and-why-is-it-used\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Portada","item":"https:\/\/www.oceanautic.es\/en\/home\/"},{"@type":"ListItem","position":2,"name":"How Long Is a Nautical Mile and Why Is It Used"}]},{"@type":"WebSite","@id":"https:\/\/www.oceanautic.es\/#website","url":"https:\/\/www.oceanautic.es\/","name":"OceaNautic","description":"","publisher":{"@id":"https:\/\/www.oceanautic.es\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.oceanautic.es\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.oceanautic.es\/#organization","name":"OceaNautic","url":"https:\/\/www.oceanautic.es\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.oceanautic.es\/#\/schema\/logo\/image\/","url":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2020\/03\/logo-footer.jpg","contentUrl":"https:\/\/www.oceanautic.es\/wp-content\/uploads\/2020\/03\/logo-footer.jpg","width":162,"height":113,"caption":"OceaNautic"},"image":{"@id":"https:\/\/www.oceanautic.es\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/oceanautic.club","https:\/\/x.com\/oceanautic","https:\/\/www.instagram.com\/oceanautic\/"]},{"@type":"Person","@id":"https:\/\/www.oceanautic.es\/#\/schema\/person\/3012a77756677bf8ce5ba04129d41624","name":"Juan Francisco","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/50c9b13466ddcb950730113c47480fa4ef9b4510cfdc1279ebc57a32278c4aec?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/50c9b13466ddcb950730113c47480fa4ef9b4510cfdc1279ebc57a32278c4aec?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/50c9b13466ddcb950730113c47480fa4ef9b4510cfdc1279ebc57a32278c4aec?s=96&d=mm&r=g","caption":"Juan Francisco"},"sameAs":["https:\/\/www.oceanautic.es\/"]}]}},"_links":{"self":[{"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/posts\/33940","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/comments?post=33940"}],"version-history":[{"count":0,"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/posts\/33940\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/media\/33941"}],"wp:attachment":[{"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/media?parent=33940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/categories?post=33940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oceanautic.es\/en\/wp-json\/wp\/v2\/tags?post=33940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}