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

The distance between Longview (East Texas Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1494 miles / 2405 kilometers / 1298 nautical miles.

The driving distance from Longview (GGG) to Portsmouth (PSM) is 1740 miles / 2801 kilometers, and travel time by car is about 32 hours 54 minutes.

East Texas Regional Airport – Portsmouth International Airport at Pease

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1494
Miles
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2405
Kilometers
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1298
Nautical miles

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Distance from Longview to Portsmouth

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

Vincenty's formula (applied above)
  • 1494.241 miles
  • 2404.748 kilometers
  • 1298.460 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
  • 1492.236 miles
  • 2401.520 kilometers
  • 1296.717 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 Longview to Portsmouth?

The estimated flight time from East Texas Regional Airport to Portsmouth International Airport at Pease is 3 hours and 19 minutes.

Flight carbon footprint between East Texas Regional Airport (GGG) and Portsmouth International Airport at Pease (PSM)

On average, flying from Longview to Portsmouth generates about 179 kg of CO2 per passenger, and 179 kilograms equals 395 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Longview to Portsmouth

See the map of the shortest flight path between East Texas Regional Airport (GGG) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin East Texas Regional Airport
City: Longview, TX
Country: United States Flag of United States
IATA Code: GGG
ICAO Code: KGGG
Coordinates: 32°23′2″N, 94°42′41″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