Air Miles Calculator

Distance between Chicago, IL (ORD) and Alamosa, CO (ALS)

Distance from Chicago to Alamosa (San Luis Valley Regional Airport – O'Hare International Airport) is 1005 miles / 1617 kilometers / 873 nautical miles.

Calculations with different 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).

Flight duration

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.

Time Difference

Chicago
Alamosa

Chicago, IL

 CDT

Alamosa, CO

 MDT

Airport information


A O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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

Map

Chicago to Alamosa flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Alamosa (ALS).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1005
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1005

Round trip?