Map of flight path and driving directions from St Louis to Casper.
Shortest flight path between St. Louis Lambert International Airport (STL) and Casper–Natrona County International Airport (CPR).
How far is Casper from St Louis?
There are several ways to calculate distances between St Louis and Casper. Here are two common 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 earth.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).
|A||St. Louis Lambert International Airport|
|City:||St Louis, MO|
|B||Casper–Natrona County International Airport|
Time difference and current local times
The time difference between St Louis and Casper is 1 hour. Casper is 1 hour behind St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 143 kg (315 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Casper (CPR).