Distance calculator

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

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

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

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