Distance calculator

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

KASH · Nashua Airport / Boire Field → KBWI · Baltimore/Washington International Thurgood Marshall Airport

Distance
318.4 nm
589.7 km · 366.4 mi
Course (true)
229°
Reverse course
046°
Flight time
0:43

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