Distance calculator

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

KBOS · Boston Logan International Airport → KLWA · South Haven Area Regional Airport

Distance
675.6 nm
1,251.2 km · 777.5 mi
Course (true)
275°
Reverse course
085°
Flight time
1:32

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