Distance calculator

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

KALN · St Louis Regional Airport → KBTA · Blair Executive Airport

Distance
316.7 nm
586.6 km · 364.5 mi
Course (true)
301°
Reverse course
117°
Flight time
0:43

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