Distance calculator

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

RKSO · Osan Air Base → RJSF · Fukushima Airport

Distance
640.8 nm
1,186.7 km · 737.4 mi
Course (true)
085°
Reverse course
273°
Flight time
1:27

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