Distance calculator

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

CYRJ · Roberval Airport → KBOS · Boston Logan International Airport

Distance
373.5 nm
691.7 km · 429.8 mi
Course (true)
171°
Reverse course
352°
Flight time
0:51

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