Air Miles Calculator

Distance between Casper, WY (CPR) and Alamosa, CO (ALS)

Flight distance from Casper to Alamosa (Casper–Natrona County International Airport – San Luis Valley Regional Airport) is 379 miles / 610 kilometers / 329 nautical miles. Estimated flight time is 1 hour 13 minutes.

Driving distance from Casper (CPR) to Alamosa (ALS) is 521 miles / 839 kilometers and travel time by car is about 8 hours 47 minutes.

Map of flight path and driving directions from Casper to Alamosa.

Shortest flight path between Casper–Natrona County International Airport (CPR) and San Luis Valley Regional Airport (ALS).

How far is Alamosa from Casper?

There are several ways to calculate distances between Casper and Alamosa. Here are two common 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 earth.

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).

Airport information


A 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

B 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

Time difference and current local times

There is no time difference between Casper and Alamosa.

Time Difference

Casper, WY

 MST

Alamosa, CO

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 81 kg (178 pounds).

Frequent Flyer Miles Calculator

Casper (CPR) → Alamosa (ALS).

Distance:
379
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
379

Round trip?