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How far is Portsmouth, NH, from Little Rock, AR?

The distance between Little Rock (Clinton National Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1284 miles / 2067 kilometers / 1116 nautical miles.

The driving distance from Little Rock (LIT) to Portsmouth (PSM) is 1498 miles / 2411 kilometers, and travel time by car is about 28 hours 28 minutes.

Clinton National Airport – Portsmouth International Airport at Pease

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1284
Miles
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2067
Kilometers
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1116
Nautical miles

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Distance from Little Rock to Portsmouth

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

Vincenty's formula (applied above)
  • 1284.183 miles
  • 2066.692 kilometers
  • 1115.925 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
  • 1282.109 miles
  • 2063.355 kilometers
  • 1114.122 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 Little Rock to Portsmouth?

The estimated flight time from Clinton National Airport to Portsmouth International Airport at Pease is 2 hours and 55 minutes.

Flight carbon footprint between Clinton National Airport (LIT) and Portsmouth International Airport at Pease (PSM)

On average, flying from Little Rock to Portsmouth generates about 166 kg of CO2 per passenger, and 166 kilograms equals 366 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Little Rock to Portsmouth

See the map of the shortest flight path between Clinton National Airport (LIT) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Clinton National Airport
City: Little Rock, AR
Country: United States Flag of United States
IATA Code: LIT
ICAO Code: KLIT
Coordinates: 34°43′45″N, 92°13′27″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