How far is Alamosa, CO, from Boise, ID?

The distance between Boise (Boise Airport) and Alamosa (San Luis Valley Regional Airport) is 689 miles / 1109 kilometers / 599 nautical miles.

The driving distance from Boise (BOI) to Alamosa (ALS) is 868 miles / 1397 kilometers, and travel time by car is about 16 hours 36 minutes.

Distance from Boise to Alamosa

There are several ways to calculate the distance from Boise to Alamosa. Here are two standard methods:

Vincenty's formula (applied above)

• 689.325 miles
• 1109.362 kilometers
• 599.007 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

• 688.593 miles
• 1108.183 kilometers
• 598.371 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 Boise to Alamosa?

The estimated flight time from Boise Airport to San Luis Valley Regional Airport is 1 hour and 48 minutes.

What is the time difference between Boise and Alamosa?

There is no time difference between Boise and Alamosa.

Flight carbon footprint between Boise Airport (BOI) and San Luis Valley Regional Airport (ALS)

On average, flying from Boise to Alamosa generates about 123 kg of CO2 per passenger, and 123 kilograms equals 272 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Boise to Alamosa

See the map of the shortest flight path between Boise Airport (BOI) and San Luis Valley Regional Airport (ALS).

Airport information

Origin	Boise Airport
City:	Boise, ID
Country:	United States
IATA Code:	BOI
ICAO Code:	KBOI
Coordinates:	43°33′51″N, 116°13′22″W

Destination	San Luis Valley Regional Airport
City:	Alamosa, CO
Country:	United States
IATA Code:	ALS
ICAO Code:	KALS
Coordinates:	37°26′5″N, 105°52′1″W