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How far is Petersburg, AK, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Petersburg (Petersburg James A. Johnson Airport) is 2817 miles / 4534 kilometers / 2448 nautical miles.

The driving distance from Portsmouth (PSM) to Petersburg (PSG) is 3784 miles / 6089 kilometers, and travel time by car is about 84 hours 37 minutes.

Portsmouth International Airport at Pease – Petersburg James A. Johnson Airport

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2817
Miles
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4534
Kilometers
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2448
Nautical miles

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Distance from Portsmouth to Petersburg

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

Vincenty's formula (applied above)
  • 2817.458 miles
  • 4534.259 kilometers
  • 2448.304 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
  • 2809.744 miles
  • 4521.845 kilometers
  • 2441.601 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 Petersburg?

The estimated flight time from Portsmouth International Airport at Pease to Petersburg James A. Johnson Airport is 5 hours and 50 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Petersburg James A. Johnson Airport (PSG)

On average, flying from Portsmouth to Petersburg generates about 313 kg of CO2 per passenger, and 313 kilograms equals 689 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 Petersburg

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Petersburg James A. Johnson Airport (PSG).

Airport information

Origin Portsmouth International Airport at Pease
City: Portsmouth, NH
Country: United States Flag of United States
IATA Code: PSM
ICAO Code: KPSM
Coordinates: 43°4′40″N, 70°49′23″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