Distance calculator

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

KFRR · Front Royal Warren County Airport → KBOS · Boston Logan International Airport

Distance
389.3 nm
721.0 km · 448.0 mi
Course (true)
056°
Reverse course
240°
Flight time
0:53

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