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How far is Alamosa, CO, from Petersburg, AK?

The distance between Petersburg (Petersburg James A. Johnson Airport) and Alamosa (San Luis Valley Regional Airport) is 1826 miles / 2938 kilometers / 1587 nautical miles.

The driving distance from Petersburg (PSG) to Alamosa (ALS) is 2517 miles / 4051 kilometers, and travel time by car is about 60 hours 14 minutes.

Petersburg James A. Johnson Airport – San Luis Valley Regional Airport

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1826
Miles
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2938
Kilometers
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1587
Nautical miles

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Distance from Petersburg to Alamosa

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

Vincenty's formula (applied above)
  • 1825.879 miles
  • 2938.467 kilometers
  • 1586.645 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
  • 1823.648 miles
  • 2934.876 kilometers
  • 1584.706 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 Petersburg to Alamosa?

The estimated flight time from Petersburg James A. Johnson Airport to San Luis Valley Regional Airport is 3 hours and 57 minutes.

Flight carbon footprint between Petersburg James A. Johnson Airport (PSG) and San Luis Valley Regional Airport (ALS)

On average, flying from Petersburg to Alamosa generates about 202 kg of CO2 per passenger, and 202 kilograms equals 446 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Petersburg to Alamosa

See the map of the shortest flight path between Petersburg James A. Johnson Airport (PSG) and San Luis Valley Regional Airport (ALS).

Airport information

Origin Petersburg James A. Johnson Airport
City: Petersburg, AK
Country: United States Flag of United States
IATA Code: PSG
ICAO Code: PAPG
Coordinates: 56°48′6″N, 132°56′42″W
Destination 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