Distance calculator

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

KBUM · Butler Memorial Airport → KAPN · Alpena County Regional Airport

Distance
631.3 nm
1,169.1 km · 726.5 mi
Course (true)
046°
Reverse course
234°
Flight time
1:26

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