Distance calculator

Great-circle distance. Enter an airport ICAO / IATA code or coordinates (for example 52.1657, 20.9671).

KNUI · Naval Outlying Landing Field Webster → KAPN · Alpena County Regional Airport

Distance
524.8 nm
971.9 km · 603.9 mi
Course (true)
325°
Reverse course
140°
Flight time
1:12

Straight great-circle distance, not a route. Course is true, not magnetic.