Distance calculator

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

KOWX · Putnam County Airport → KBWI · Baltimore/Washington International Thurgood Marshall Airport

Distance
353.8 nm
655.3 km · 407.2 mi
Course (true)
106°
Reverse course
291°
Flight time
0:48

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