Distance calculator

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

KBOS · Boston Logan International Airport → KDTW · Detroit Metropolitan Wayne County Airport

Distance
548.0 nm
1,014.8 km · 630.6 mi
Course (true)
273°
Reverse course
085°
Flight time
1:15

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