Distance calculator

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

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

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

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