How far is Alamosa from Chicago?
There are several ways to calculate distances between Chicago and Alamosa. Here are two common methods:Vincenty's formula (applied above)
- 1004.923 miles
- 1617.267 kilometers
- 873.254 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
- 1002.818 miles
- 1613.880 kilometers
- 871.425 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).
Estimated flight time from O'Hare International Airport (ORD) to San Luis Valley Regional Airport (ALS) is 2 hours 24 minutes.
Time difference and current local times
The time difference between Chicago and Alamosa is 1 hour. Alamosa is 1 hour behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 151 kg (333 pounds).
Chicago to Alamosa flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Alamosa (ALS).