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How far is Grand Forks, ND, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Grand Forks (Grand Forks International Airport) is 1316 miles / 2118 kilometers / 1143 nautical miles.

The driving distance from Portsmouth (PSM) to Grand Forks (GFK) is 1668 miles / 2684 kilometers, and travel time by car is about 32 hours 36 minutes.

Portsmouth International Airport at Pease – Grand Forks International Airport

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1316
Miles
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2118
Kilometers
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1143
Nautical miles

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Distance from Portsmouth to Grand Forks

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

Vincenty's formula (applied above)
  • 1315.867 miles
  • 2117.683 kilometers
  • 1143.458 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
  • 1312.443 miles
  • 2112.172 kilometers
  • 1140.482 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 Grand Forks?

The estimated flight time from Portsmouth International Airport at Pease to Grand Forks International Airport is 2 hours and 59 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Grand Forks International Airport (GFK)

On average, flying from Portsmouth to Grand Forks generates about 168 kg of CO2 per passenger, and 168 kilograms equals 370 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 Grand Forks

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Grand Forks International Airport (GFK).

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 Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W