Distance calculator

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

KSWT · Seward Municipal Airport → KBKF · Buckley Space Force Base

Distance
356.8 nm
660.8 km · 410.6 mi
Course (true)
261°
Reverse course
076°
Flight time
0:49

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