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How far is Portsmouth, NH, from Dallas, TX?

The distance between Dallas (Dallas Love Field) and Portsmouth (Portsmouth International Airport at Pease) is 1578 miles / 2539 kilometers / 1371 nautical miles.

The driving distance from Dallas (DAL) to Portsmouth (PSM) is 1820 miles / 2929 kilometers, and travel time by car is about 34 hours 5 minutes.

Dallas Love Field – Portsmouth International Airport at Pease

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1578
Miles
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2539
Kilometers
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1371
Nautical miles

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Distance from Dallas to Portsmouth

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

Vincenty's formula (applied above)
  • 1577.780 miles
  • 2539.190 kilometers
  • 1371.053 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
  • 1575.344 miles
  • 2535.270 kilometers
  • 1368.936 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 Dallas to Portsmouth?

The estimated flight time from Dallas Love Field to Portsmouth International Airport at Pease is 3 hours and 29 minutes.

Flight carbon footprint between Dallas Love Field (DAL) and Portsmouth International Airport at Pease (PSM)

On average, flying from Dallas to Portsmouth generates about 184 kg of CO2 per passenger, and 184 kilograms equals 407 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Dallas to Portsmouth

See the map of the shortest flight path between Dallas Love Field (DAL) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Dallas Love Field
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DAL
ICAO Code: KDAL
Coordinates: 32°50′49″N, 96°51′6″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