Distance calculator

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

KDTW · Detroit Metropolitan Wayne County Airport → KBST · Belfast Municipal Airport

Distance
639.4 nm
1,184.1 km · 735.8 mi
Course (true)
073°
Reverse course
263°
Flight time
1:27

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