Distance calculator

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

KBKT · Allen C Perkinson Blackstone Army Air Field → KAPN · Alpena County Regional Airport

Distance
543.0 nm
1,005.7 km · 624.9 mi
Course (true)
334°
Reverse course
150°
Flight time
1:14

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