Distance calculator

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

KFMM · Fort Morgan Municipal Airport → KSTL · St. Louis Lambert International Airport

Distance
628.6 nm
1,164.2 km · 723.4 mi
Course (true)
094°
Reverse course
283°
Flight time
1:26

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