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

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

The driving distance from Alamosa (ALS) to Petersburg (PSG) is 2518 miles / 4053 kilometers, and travel time by car is about 60 hours 14 minutes.

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

There are several ways to calculate the distance from Alamosa to Petersburg. 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 Alamosa to Petersburg?

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

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

On average, flying from Alamosa to Petersburg 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 Alamosa to Petersburg

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

Airport information

Origin 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
Destination 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