Distance calculator

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

KBTR · Baton Rouge Metropolitan Airport → KOTM · Ottumwa Regional Airport

Distance
637.9 nm
1,181.5 km · 734.1 mi
Course (true)
355°
Reverse course
174°
Flight time
1:27

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