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 → KMRT · Union County Airport

Distance
315.0 nm
583.4 km · 362.5 mi
Course (true)
284°
Reverse course
099°
Flight time
0:43

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