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How far is Duluth, MN, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Duluth (Duluth International Airport) is 1076 miles / 1731 kilometers / 935 nautical miles.

The driving distance from Portsmouth (PSM) to Duluth (DLH) is 1422 miles / 2289 kilometers, and travel time by car is about 28 hours 14 minutes.

Portsmouth International Airport at Pease – Duluth International Airport

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1076
Miles
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1731
Kilometers
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935
Nautical miles

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Distance from Portsmouth to Duluth

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

Vincenty's formula (applied above)
  • 1075.795 miles
  • 1731.324 kilometers
  • 934.840 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
  • 1073.008 miles
  • 1726.839 kilometers
  • 932.418 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 Duluth?

The estimated flight time from Portsmouth International Airport at Pease to Duluth International Airport is 2 hours and 32 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Duluth International Airport (DLH)

On average, flying from Portsmouth to Duluth generates about 155 kg of CO2 per passenger, and 155 kilograms equals 343 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 Duluth

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

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 Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″W