Distance calculator

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

KBWI · Baltimore/Washington International Thurgood Marshall Airport → KSER · Freeman Municipal Airport

Distance
430.9 nm
798.0 km · 495.8 mi
Course (true)
271°
Reverse course
085°
Flight time
0:59

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