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

The distance between Portsmouth (Portsmouth International Airport at Pease) and Grayling (Grayling Airport) is 3620 miles / 5825 kilometers / 3145 nautical miles.

The driving distance from Portsmouth (PSM) to Grayling (KGX) is 4995 miles / 8039 kilometers, and travel time by car is about 150 hours 34 minutes.

Portsmouth International Airport at Pease – Grayling Airport

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3620
Miles
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5825
Kilometers
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3145
Nautical miles

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Distance from Portsmouth to Grayling

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

Vincenty's formula (applied above)
  • 3619.603 miles
  • 5825.186 kilometers
  • 3145.349 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
  • 3609.321 miles
  • 5808.639 kilometers
  • 3136.414 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 Grayling?

The estimated flight time from Portsmouth International Airport at Pease to Grayling Airport is 7 hours and 21 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Grayling Airport (KGX)

On average, flying from Portsmouth to Grayling generates about 409 kg of CO2 per passenger, and 409 kilograms equals 902 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 Grayling

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Grayling Airport (KGX).

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 Grayling Airport
City: Grayling, AK
Country: United States Flag of United States
IATA Code: KGX
ICAO Code: PAGX
Coordinates: 62°53′42″N, 160°3′58″W