Synonyms for Nautical Mile (same or very similar meaning)
WordNet sense 1 (a British unit of length equivalent to 1,853.18 meters (6,082 feet)):
mi, mile, Admiralty mile, geographical mile, naut miWordNet sense 2 (a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in latitude; 1,852 meters):
knot, air mile, international nautical mileFrom the ODE community, based on WordNetadd/edit