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

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

The driving distance from St Michael (SMK) to Portsmouth (PSM) is 5253 miles / 8454 kilometers, and travel time by car is about 178 hours 39 minutes.

St. Michael Airport – Portsmouth International Airport at Pease

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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 St Michael to Portsmouth

There are several ways to calculate the distance from St Michael to Portsmouth. 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 St Michael to Portsmouth?

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

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

On average, flying from St Michael to Portsmouth 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 St Michael to Portsmouth

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

Airport information

Origin 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
Destination 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