Distance calculator

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

ZSTX · Huangshan Tunxi International Airport → RKSS · Seoul Gimpo International Airport

Distance
634.0 nm
1,174.2 km · 729.6 mi
Course (true)
040°
Reverse course
225°
Flight time
1:26

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