nautical mile

noun

: any of various units of distance used for sea and air navigation based on the length of a minute of arc of a great circle of the earth and differing because the earth is not a perfect sphere: such as
a
: a British unit equal to 6080 feet (1853.2 meters)
b
: an international unit equal to exactly 1852 meters (6076.115 feet or 1.15 statute miles) used officially in the U.S. since July 1, 1954

Examples of nautical mile in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The full-displacement ice-class hull—presented in satin gold—is intended for transoceanic cruising, greatly contributing to the yacht’s range of 6,000 nautical miles at 11 knots. Julia Zaltzman, Robb Report, 18 Jan. 2026 On a quiet morning 161 nautical miles east of Beechey Island, my first and sole polar bear sighting revealed how unpredictable these white giants are. Jillian Dara, Condé Nast Traveler, 17 Jan. 2026 Texas Children's also has a plane that is based in Houston that can carry patients who are much further than 200 nautical miles. Nicole Villalpando, Austin American Statesman, 12 Jan. 2026 In its 43 years of service, the Britannia banked over a million nautical miles and opened its decks to scores of influential people. Bailey Bujnosek, InStyle, 12 Jan. 2026 See All Example Sentences for nautical mile

Word History

First Known Use

1830, in the meaning defined above

Time Traveler
The first known use of nautical mile was in 1830

Browse Nearby Words

Cite this Entry

“Nautical mile.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nautical%20mile. Accessed 25 Jan. 2026.

Kids Definition

nautical mile

noun
: any of various units of distance used for sea and air navigation equal to about 6076 feet (1852 meters)

More from Merriam-Webster on nautical mile

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!