Air Miles Calculator

Distance between St Louis, MO (STL) and Casper, WY (CPR)

Distance from St Louis to Casper (St. Louis Lambert International Airport – Casper–Natrona County International Airport) is 889 miles / 1431 kilometers / 773 nautical miles.

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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to Casper–Natrona County International Airport (CPR) is 2 hours 11 minutes.

Time difference and current local times

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

Time Difference

St Louis
Casper

St Louis, MO

 CST

Casper, WY

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (315 pounds).

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 Casper–Natrona County International Airport
City: Casper, WY
Country: United States Flag of United States
IATA Code: CPR
ICAO Code: KCPR
Coordinates: 42°54′28″N, 106°27′50″W

Map

St Louis to Casper flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Casper (CPR).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
889
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
889

Round trip?