Air Miles Calculator logo

How far is Cheyenne, WY, from St Louis, MO?

The distance between St Louis (St. Louis Lambert International Airport) and Cheyenne (Cheyenne Regional Airport) is 784 miles / 1261 kilometers / 681 nautical miles.

The driving distance from St Louis (STL) to Cheyenne (CYS) is 871 miles / 1402 kilometers, and travel time by car is about 15 hours 32 minutes.

St. Louis Lambert International Airport – Cheyenne Regional Airport

Distance arrow
784
Miles
Distance arrow
1261
Kilometers
Distance arrow
681
Nautical miles

Search flights

Distance from St Louis to Cheyenne

There are several ways to calculate the distance from St Louis to Cheyenne. 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 St Louis to Cheyenne?

The estimated flight time from St. Louis Lambert International Airport to Cheyenne Regional Airport is 1 hour and 59 minutes.

Flight carbon footprint between St. Louis Lambert International Airport (STL) and Cheyenne Regional Airport (CYS)

On average, flying from St Louis to Cheyenne 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 St Louis to Cheyenne

See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Cheyenne Regional Airport (CYS).

Airport information

Origin 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
Destination 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