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

The distance between Casper (Casper–Natrona County International Airport) and St Louis (St. Louis Lambert International Airport) is 889 miles / 1431 kilometers / 773 nautical miles.

The driving distance from Casper (CPR) to St Louis (STL) is 1063 miles / 1710 kilometers, and travel time by car is about 18 hours 39 minutes.

Casper–Natrona County International Airport – St. Louis Lambert International Airport

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889
Miles
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1431
Kilometers
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773
Nautical miles

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Distance from Casper to St Louis

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

The estimated flight time from Casper–Natrona County International Airport to St. Louis Lambert International Airport is 2 hours and 11 minutes.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and St. Louis Lambert International Airport (STL)

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

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and St. Louis Lambert International Airport (STL).

Airport information

Origin 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
Destination 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