Distance calculator

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

KSTL · St. Louis Lambert International Airport → KBTR · Baton Rouge Metropolitan Airport

Distance
494.8 nm
916.3 km · 569.4 mi
Course (true)
185°
Reverse course
004°
Flight time
1:07

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