Distance calculator

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

RKSS · Seoul Gimpo International Airport → RJDA · Amakusa Airport

Distance
346.8 nm
642.2 km · 399.1 mi
Course (true)
150°
Reverse course
332°
Flight time
0:47

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