How far is Longview, TX, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Longview (East Texas Regional Airport) is 1494 miles / 2405 kilometers / 1298 nautical miles.
The driving distance from Portsmouth (PSM) to Longview (GGG) is 1742 miles / 2804 kilometers, and travel time by car is about 32 hours 51 minutes.
Portsmouth International Airport at Pease – East Texas Regional Airport
Search flights
Distance from Portsmouth to Longview
There are several ways to calculate the distance from Portsmouth to Longview. 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 Portsmouth to Longview?
The estimated flight time from Portsmouth International Airport at Pease to East Texas Regional Airport is 3 hours and 19 minutes.
What is the time difference between Portsmouth and Longview?
The time difference between Portsmouth and Longview is 1 hour. Longview is 1 hour behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and East Texas Regional Airport (GGG)
On average, flying from Portsmouth to Longview 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 Portsmouth to Longview
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and East Texas Regional Airport (GGG).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |
| Destination | East Texas Regional Airport |
|---|---|
| City: | Longview, TX |
| Country: | United States |
| IATA Code: | GGG |
| ICAO Code: | KGGG |
| Coordinates: | 32°23′2″N, 94°42′41″W |