Distance calculator

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

KROS · Rush City Regional Airport → KSTL · St. Louis Lambert International Airport

Distance
432.7 nm
801.3 km · 497.9 mi
Course (true)
164°
Reverse course
345°
Flight time
0:59

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