Distance calculator

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

KBST · Belfast Municipal Airport → KIAD · Washington Dulles International Airport

Distance
500.6 nm
927.0 km · 576.0 mi
Course (true)
232°
Reverse course
046°
Flight time
1:08

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