Distance calculator

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

KDWU · Ashland Regional Airport → KBOS · Boston Logan International Airport

Distance
581.9 nm
1,077.8 km · 669.7 mi
Course (true)
063°
Reverse course
251°
Flight time
1:19

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