Nautical mile
Unit of length
A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. Historically, it was defined as the meridian arc length corresponding to one minute of latitude at the equator, so that... Wikipedia
Degrees latitude: 60 nautical miles
1 M, NM, or nmi in...: is equal to
cable: 10
foot: ≈ 6,076
metre: 1,852
statute mile: ≈ 1.151
Symbol: M, NM, or nmi