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How far is St Michael, AK, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and St Michael (St. Michael Airport) is 3662 miles / 5894 kilometers / 3182 nautical miles.

The driving distance from Portsmouth (PSM) to St Michael (SMK) is 5252 miles / 8452 kilometers, and travel time by car is about 178 hours 31 minutes.

Portsmouth International Airport at Pease – St. Michael Airport

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3662
Miles
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5894
Kilometers
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3182
Nautical miles

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Distance from Portsmouth to St Michael

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

Vincenty's formula (applied above)
  • 3662.228 miles
  • 5893.784 kilometers
  • 3182.389 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
  • 3651.808 miles
  • 5877.015 kilometers
  • 3173.334 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 St Michael?

The estimated flight time from Portsmouth International Airport at Pease to St. Michael Airport is 7 hours and 26 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and St. Michael Airport (SMK)

On average, flying from Portsmouth to St Michael generates about 414 kg of CO2 per passenger, and 414 kilograms equals 914 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 St Michael

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and St. Michael Airport (SMK).

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 St. Michael Airport
City: St Michael, AK
Country: United States Flag of United States
IATA Code: SMK
ICAO Code: PAMK
Coordinates: 63°29′24″N, 162°6′36″W