Distance calculator

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

KMKJ · Mountain Empire Airport → KBOS · Boston Logan International Airport

Distance
579.4 nm
1,073.0 km · 666.7 mi
Course (true)
052°
Reverse course
239°
Flight time
1:19

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