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

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

The driving distance from Alamosa (ALS) to Chicago (ORD) is 1236 miles / 1989 kilometers, and travel time by car is about 22 hours 4 minutes.

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

There are several ways to calculate the distance from Alamosa to Chicago. 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 Alamosa to Chicago?

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

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

On average, flying from Alamosa to Chicago 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 Alamosa to Chicago

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

Airport information

Origin 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
Destination 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