How far is St Louis, MO, from Cheyenne, WY?
The distance between Cheyenne (Cheyenne Regional Airport) and St Louis (St. Louis Lambert International Airport) is 784 miles / 1261 kilometers / 681 nautical miles.
The driving distance from Cheyenne (CYS) to St Louis (STL) is 872 miles / 1403 kilometers, and travel time by car is about 15 hours 32 minutes.
Cheyenne Regional Airport – St. Louis Lambert International Airport
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Distance from Cheyenne to St Louis
There are several ways to calculate the distance from Cheyenne to St Louis. Here are two standard 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 planet.
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).
How long does it take to fly from Cheyenne to St Louis?
The estimated flight time from Cheyenne Regional Airport to St. Louis Lambert International Airport is 1 hour and 59 minutes.
What is the time difference between Cheyenne and St Louis?
The time difference between Cheyenne and St Louis is 1 hour. St Louis is 1 hour ahead of Cheyenne.
Flight carbon footprint between Cheyenne Regional Airport (CYS) and St. Louis Lambert International Airport (STL)
On average, flying from Cheyenne to St Louis generates about 133 kg of CO2 per passenger, and 133 kilograms equals 294 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Cheyenne to St Louis
See the map of the shortest flight path between Cheyenne Regional Airport (CYS) and St. Louis Lambert International Airport (STL).
Airport information
| Origin | Cheyenne Regional Airport |
|---|---|
| City: | Cheyenne, WY |
| Country: | United States  |
| IATA Code: | CYS |
| ICAO Code: | KCYS |
| Coordinates: | 41°9′20″N, 104°48′43″W |
| Destination | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |