Distance calculator

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

KBOS · Boston Logan International Airport → KRID · Richmond Municipal Airport

Distance
644.8 nm
1,194.1 km · 742.0 mi
Course (true)
261°
Reverse course
071°
Flight time
1:28

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