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

The distance between Portsmouth (Portsmouth International Airport at Pease) and Sitka (Sitka Rocky Gutierrez Airport) is 2905 miles / 4676 kilometers / 2525 nautical miles.

The driving distance from Portsmouth (PSM) to Sitka (SIT) is 4068 miles / 6547 kilometers, and travel time by car is about 93 hours 3 minutes.

Portsmouth International Airport at Pease – Sitka Rocky Gutierrez Airport

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2905
Miles
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4676
Kilometers
Distance arrow
2525
Nautical miles

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Distance from Portsmouth to Sitka

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

Vincenty's formula (applied above)
  • 2905.351 miles
  • 4675.709 kilometers
  • 2524.681 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
  • 2897.352 miles
  • 4662.836 kilometers
  • 2517.730 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 Sitka?

The estimated flight time from Portsmouth International Airport at Pease to Sitka Rocky Gutierrez Airport is 6 hours and 0 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Sitka Rocky Gutierrez Airport (SIT)

On average, flying from Portsmouth to Sitka generates about 323 kg of CO2 per passenger, and 323 kilograms equals 712 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 Sitka

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Sitka Rocky Gutierrez Airport (SIT).

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 Sitka Rocky Gutierrez Airport
City: Sitka, AK
Country: United States Flag of United States
IATA Code: SIT
ICAO Code: PASI
Coordinates: 57°2′49″N, 135°21′43″W