Air Miles Calculator logo

How far is Alamosa, CO, from Casper, WY?

The distance between Casper (Casper–Natrona County International Airport) and Alamosa (San Luis Valley Regional Airport) is 379 miles / 610 kilometers / 329 nautical miles.

The driving distance from Casper (CPR) to Alamosa (ALS) is 521 miles / 839 kilometers, and travel time by car is about 9 hours 21 minutes.

Casper–Natrona County International Airport – San Luis Valley Regional Airport

Distance arrow
379
Miles
Distance arrow
610
Kilometers
Distance arrow
329
Nautical miles

Search flights

Distance from Casper to Alamosa

There are several ways to calculate the distance from Casper to Alamosa. Here are two standard methods:

Vincenty's formula (applied above)
  • 378.938 miles
  • 609.842 kilometers
  • 329.288 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
  • 379.464 miles
  • 610.687 kilometers
  • 329.745 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 Alamosa?

The estimated flight time from Casper–Natrona County International Airport to San Luis Valley Regional Airport is 1 hour and 13 minutes.

What is the time difference between Casper and Alamosa?

There is no time difference between Casper and Alamosa.

Flight carbon footprint between Casper–Natrona County International Airport (CPR) and San Luis Valley Regional Airport (ALS)

On average, flying from Casper to Alamosa generates about 81 kg of CO2 per passenger, and 81 kilograms equals 178 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 Alamosa

See the map of the shortest flight path between Casper–Natrona County International Airport (CPR) and San Luis Valley Regional Airport (ALS).

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 San Luis Valley Regional Airport
City: Alamosa, CO
Country: United States Flag of United States
IATA Code: ALS
ICAO Code: KALS
Coordinates: 37°26′5″N, 105°52′1″W