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How far is Alamosa, CO, from Chicago, IL?

The distance between Chicago (Chicago O'Hare International Airport) and Alamosa (San Luis Valley Regional Airport) is 1005 miles / 1617 kilometers / 873 nautical miles.

The driving distance from Chicago (ORD) to Alamosa (ALS) is 1236 miles / 1989 kilometers, and travel time by car is about 22 hours 0 minutes.

Chicago O'Hare International Airport – San Luis Valley Regional Airport

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1005
Miles
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1617
Kilometers
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873
Nautical miles

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Distance from Chicago to Alamosa

There are several ways to calculate the distance from Chicago to Alamosa. Here are two standard 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 planet.

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).

How long does it take to fly from Chicago to Alamosa?

The estimated flight time from Chicago O'Hare International Airport to San Luis Valley Regional Airport is 2 hours and 24 minutes.

Flight carbon footprint between Chicago O'Hare International Airport (ORD) and San Luis Valley Regional Airport (ALS)

On average, flying from Chicago to Alamosa generates about 151 kg of CO2 per passenger, and 151 kilograms equals 333 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chicago to Alamosa

See the map of the shortest flight path between Chicago O'Hare International Airport (ORD) and San Luis Valley Regional Airport (ALS).

Airport information

Origin Chicago 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
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