Air Miles Calculator

Distance between Houston, TX (IAH) and Alamosa, CO (ALS)

Flight distance from Houston to Alamosa (Houston George Bush Intercontinental Airport – San Luis Valley Regional Airport) is 794 miles / 1277 kilometers / 690 nautical miles. Estimated flight time is 2 hours 0 minutes.

Driving distance from Houston (IAH) to Alamosa (ALS) is 934 miles / 1503 kilometers and travel time by car is about 16 hours 34 minutes.

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

Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and San Luis Valley Regional Airport (ALS).

How far is Alamosa from Houston?

There are several ways to calculate distances between Houston and Alamosa. Here are two common methods:

Vincenty's formula (applied above)
  • 793.545 miles
  • 1277.087 kilometers
  • 689.572 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
  • 793.388 miles
  • 1276.834 kilometers
  • 689.435 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 Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″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

The time difference between Houston and Alamosa is 1 hour. Alamosa is 1 hour behind Houston.

Time Difference

Houston, TX

 CST

Alamosa, CO

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 134 kg (296 pounds).

Frequent Flyer Miles Calculator

Houston (IAH) → Alamosa (ALS).

Distance:
794
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
794

Round trip?