Distance calculator

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

CYTF · Alma Airport → KBOS · Boston Logan International Airport

Distance
370.0 nm
685.3 km · 425.8 mi
Course (true)
176°
Reverse course
356°
Flight time
0:50

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