Distance calculator

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

KSWT · Seward Municipal Airport → KAPN · Alpena County Regional Airport

Distance
645.7 nm
1,195.9 km · 743.1 mi
Course (true)
062°
Reverse course
252°
Flight time
1:28

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