How far is Alamosa, CO, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Alamosa (San Luis Valley Regional Airport) is 1879 miles / 3023 kilometers / 1632 nautical miles.
The driving distance from Portsmouth (PSM) to Alamosa (ALS) is 2221 miles / 3574 kilometers, and travel time by car is about 41 hours 24 minutes.
Portsmouth International Airport at Pease – San Luis Valley Regional Airport
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Distance from Portsmouth to Alamosa
There are several ways to calculate the distance from Portsmouth to Alamosa. Here are two standard methods:
Vincenty's formula (applied above)- 1878.597 miles
- 3023.309 kilometers
- 1632.456 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- 1874.194 miles
- 3016.223 kilometers
- 1628.630 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 Portsmouth to Alamosa?
The estimated flight time from Portsmouth International Airport at Pease to San Luis Valley Regional Airport is 4 hours and 3 minutes.
What is the time difference between Portsmouth and Alamosa?
The time difference between Portsmouth and Alamosa is 2 hours. Alamosa is 2 hours behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and San Luis Valley Regional Airport (ALS)
On average, flying from Portsmouth to Alamosa generates about 206 kg of CO2 per passenger, and 206 kilograms equals 455 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Alamosa
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and San Luis Valley Regional Airport (ALS).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″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 |