Distance calculator

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

KAZO · Kalamazoo/Battle Creek International Airport → KBOS · Boston Logan International Airport

Distance
645.1 nm
1,194.6 km · 742.3 mi
Course (true)
084°
Reverse course
274°
Flight time
1:28

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