How far is Portsmouth, NH, from Dallas, TX?
The distance between Dallas (Dallas/Fort Worth International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1585 miles / 2551 kilometers / 1377 nautical miles.
The driving distance from Dallas (DFW) to Portsmouth (PSM) is 1836 miles / 2954 kilometers, and travel time by car is about 34 hours 18 minutes.
Dallas/Fort Worth International Airport – Portsmouth International Airport at Pease
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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)- 1584.842 miles
- 2550.555 kilometers
- 1377.190 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- 1582.367 miles
- 2546.573 kilometers
- 1375.040 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/Fort Worth International Airport to Portsmouth International Airport at Pease is 3 hours and 30 minutes.
What is the time difference between Dallas and Portsmouth?
The time difference between Dallas and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Dallas.
Flight carbon footprint between Dallas/Fort Worth International Airport (DFW) and Portsmouth International Airport at Pease (PSM)
On average, flying from Dallas to Portsmouth generates about 185 kg of CO2 per passenger, and 185 kilograms equals 408 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/Fort Worth International Airport (DFW) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | Dallas/Fort Worth International Airport |
|---|---|
| City: | Dallas, TX |
| Country: | United States  |
| IATA Code: | DFW |
| ICAO Code: | KDFW |
| Coordinates: | 32°53′48″N, 97°2′16″W |
| Destination | 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 |