Air Miles Calculator

Distance between St Louis, MO (STL) and Cheyenne, WY (CYS)

Flight distance from St Louis to Cheyenne (St. Louis Lambert International Airport – Cheyenne Regional Airport) is 784 miles / 1261 kilometers / 681 nautical miles. Estimated flight time is 1 hour 59 minutes.

Driving distance from St Louis (STL) to Cheyenne (CYS) is 871 miles / 1401 kilometers and travel time by car is about 14 hours 34 minutes.

Map of flight path and driving directions from St Louis to Cheyenne.

Shortest flight path between St. Louis Lambert International Airport (STL) and Cheyenne Regional Airport (CYS).

How far is Cheyenne from St Louis?

There are several ways to calculate distances between St Louis and Cheyenne. Here are two common methods:

Vincenty's formula (applied above)
  • 783.628 miles
  • 1261.127 kilometers
  • 680.954 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 781.810 miles
  • 1258.202 kilometers
  • 679.375 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Cheyenne Regional Airport
City: Cheyenne, WY
Country: United States Flag of United States
IATA Code: CYS
ICAO Code: KCYS
Coordinates: 41°9′20″N, 104°48′43″W

Time difference and current local times

The time difference between St Louis and Cheyenne is 1 hour. Cheyenne is 1 hour behind St Louis.

Time Difference

St Louis, MO

 CST

Cheyenne, WY

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 133 kg (294 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Cheyenne (CYS).

Distance:
784
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
784

Round trip?