Distance calculator

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

KSGH · Springfield-Beckley Municipal Airport → KBOS · Boston Logan International Airport

Distance
599.3 nm
1,110.0 km · 689.7 mi
Course (true)
071°
Reverse course
260°
Flight time
1:22

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