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Nautical miles measure distance. 1 nautical mile is the angular distance of 1 minute of arc on the earth's surface. As these differ slightly (6108' at pole c.f. 6046' at equator) 6080 was adopted (this being it's approximate value in the English Channel). The International nautical mile is 1852 metres, so is very slightly different from the UK nautical mile.
A unit of distance equal to 3.0 statute miles (4.8 kilometers). Note that there also Nautical Leagues, UK Leagues and UK Nautical Leagues which all differ.
| UK Nautical Miles | US Leagues |
|---|---|
| 0UK nmi | 0.00US lea |
| 1UK nmi | 0.38US lea |
| 2UK nmi | 0.77US lea |
| 3UK nmi | 1.15US lea |
| 4UK nmi | 1.54US lea |
| 5UK nmi | 1.92US lea |
| 6UK nmi | 2.30US lea |
| 7UK nmi | 2.69US lea |
| 8UK nmi | 3.07US lea |
| 9UK nmi | 3.45US lea |
| 10UK nmi | 3.84US lea |
| 11UK nmi | 4.22US lea |
| 12UK nmi | 4.61US lea |
| 13UK nmi | 4.99US lea |
| 14UK nmi | 5.37US lea |
| 15UK nmi | 5.76US lea |
| 16UK nmi | 6.14US lea |
| 17UK nmi | 6.53US lea |
| 18UK nmi | 6.91US lea |
| 19UK nmi | 7.29US lea |
| UK Nautical Miles | US Leagues |
|---|---|
| 20UK nmi | 7.68US lea |
| 21UK nmi | 8.06US lea |
| 22UK nmi | 8.44US lea |
| 23UK nmi | 8.83US lea |
| 24UK nmi | 9.21US lea |
| 25UK nmi | 9.60US lea |
| 26UK nmi | 9.98US lea |
| 27UK nmi | 10.36US lea |
| 28UK nmi | 10.75US lea |
| 29UK nmi | 11.13US lea |
| 30UK nmi | 11.52US lea |
| 31UK nmi | 11.90US lea |
| 32UK nmi | 12.28US lea |
| 33UK nmi | 12.67US lea |
| 34UK nmi | 13.05US lea |
| 35UK nmi | 13.43US lea |
| 36UK nmi | 13.82US lea |
| 37UK nmi | 14.20US lea |
| 38UK nmi | 14.59US lea |
| 39UK nmi | 14.97US lea |
| UK Nautical Miles | US Leagues |
|---|---|
| 40UK nmi | 15.35US lea |
| 41UK nmi | 15.74US lea |
| 42UK nmi | 16.12US lea |
| 43UK nmi | 16.51US lea |
| 44UK nmi | 16.89US lea |
| 45UK nmi | 17.27US lea |
| 46UK nmi | 17.66US lea |
| 47UK nmi | 18.04US lea |
| 48UK nmi | 18.42US lea |
| 49UK nmi | 18.81US lea |
| 50UK nmi | 19.19US lea |
| 51UK nmi | 19.58US lea |
| 52UK nmi | 19.96US lea |
| 53UK nmi | 20.34US lea |
| 54UK nmi | 20.73US lea |
| 55UK nmi | 21.11US lea |
| 56UK nmi | 21.49US lea |
| 57UK nmi | 21.88US lea |
| 58UK nmi | 22.26US lea |
| 59UK nmi | 22.65US lea |