How far is Casper, WY, from St Louis, MO?
The distance between St Louis (St. Louis Lambert International Airport) and Casper (Casper–Natrona County International Airport) is 889 miles / 1431 kilometers / 773 nautical miles.
The driving distance from St Louis (STL) to Casper (CPR) is 1061 miles / 1707 kilometers, and travel time by car is about 18 hours 37 minutes.
St. Louis Lambert International Airport – Casper–Natrona County International Airport
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Distance from St Louis to Casper
There are several ways to calculate the distance from St Louis to Casper. Here are two standard methods:
Vincenty's formula (applied above)- 889.351 miles
- 1431.272 kilometers
- 772.825 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- 887.443 miles
- 1428.201 kilometers
- 771.167 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 Casper?
The estimated flight time from St. Louis Lambert International Airport to Casper–Natrona County International Airport is 2 hours and 11 minutes.
What is the time difference between St Louis and Casper?
The time difference between St Louis and Casper is 1 hour. Casper is 1 hour behind St Louis.
Flight carbon footprint between St. Louis Lambert International Airport (STL) and Casper–Natrona County International Airport (CPR)
On average, flying from St Louis to Casper generates about 143 kg of CO2 per passenger, and 143 kilograms equals 315 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 Casper
See the map of the shortest flight path between St. Louis Lambert International Airport (STL) and Casper–Natrona County International Airport (CPR).
Airport information
| Origin | 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 |
| Destination | Casper–Natrona County International Airport |
|---|---|
| City: | Casper, WY |
| Country: | United States |
| IATA Code: | CPR |
| ICAO Code: | KCPR |
| Coordinates: | 42°54′28″N, 106°27′50″W |