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Aviation Distance
Convert planning distances such as 100 nm to km.
NM ↔ km FAQs
Common questions about aviation distance.
How many kilometers are in a nautical mile?
Exactly 1.852 km (international nautical mile).
What is the difference between NM and SM?
Nautical miles (NM) are used for aviation/marine navigation. Statute miles (SM) are land miles used in some US visibility and chart contexts.