How far is Alamosa, CO, from San Juan?

The distance between San Juan (Fernando Luis Ribas Dominicci Airport) and Alamosa (San Luis Valley Regional Airport) is 2733 miles / 4398 kilometers / 2375 nautical miles.

Distance from San Juan to Alamosa

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

Vincenty's formula (applied above)

• 2732.550 miles
• 4397.613 kilometers
• 2374.521 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

• 2730.740 miles
• 4394.700 kilometers
• 2372.948 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 San Juan to Alamosa?

The estimated flight time from Fernando Luis Ribas Dominicci Airport to San Luis Valley Regional Airport is 5 hours and 40 minutes.

What is the time difference between San Juan and Alamosa?

The time difference between San Juan and Alamosa is 3 hours. Alamosa is 3 hours behind San Juan.

Flight carbon footprint between Fernando Luis Ribas Dominicci Airport (SIG) and San Luis Valley Regional Airport (ALS)

On average, flying from San Juan to Alamosa generates about 302 kg of CO2 per passenger, and 302 kilograms equals 667 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from San Juan to Alamosa

See the map of the shortest flight path between Fernando Luis Ribas Dominicci Airport (SIG) and San Luis Valley Regional Airport (ALS).

Airport information

Origin	Fernando Luis Ribas Dominicci Airport
City:	San Juan
Country:	Puerto Rico
IATA Code:	SIG
ICAO Code:	TJIG
Coordinates:	18°27′24″N, 66°5′53″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