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 → KCYS · Cheyenne Regional Jerry Olson Field

Distance
679.4 nm
1,258.2 km · 781.8 mi
Course (true)
287°
Reverse course
098°
Flight time
1:33

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