Distance calculator

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

KBOS · Boston Logan International Airport → KCLT · Charlotte Douglas International Airport

Distance
631.9 nm
1,170.3 km · 727.2 mi
Course (true)
231°
Reverse course
044°
Flight time
1:26

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