Distance calculator

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

KDFI · Defiance Memorial Airport → KBWI · Baltimore/Washington International Thurgood Marshall Airport

Distance
378.4 nm
700.8 km · 435.4 mi
Course (true)
108°
Reverse course
293°
Flight time
0:52

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