Distance calculator

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

KDRO · Durango La Plata County Airport → KBUM · Butler Memorial Airport

Distance
640.1 nm
1,185.5 km · 736.7 mi
Course (true)
080°
Reverse course
268°
Flight time
1:27

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