Distance calculator

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

KDKX · Knoxville Downtown Island Airport → KIAD · Washington Dulles International Airport

Distance
354.3 nm
656.1 km · 407.7 mi
Course (true)
058°
Reverse course
242°
Flight time
0:48

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