Distance calculator

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

KBQR · Buffalo Lancaster Regional Airport → KBOS · Boston Logan International Airport

Distance
337.4 nm
624.9 km · 388.3 mi
Course (true)
093°
Reverse course
278°
Flight time
0:46

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