How far is Dallas, TX, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Dallas (Dallas/Fort Worth International Airport) is 1585 miles / 2551 kilometers / 1377 nautical miles.
The driving distance from Portsmouth (PSM) to Dallas (DFW) is 1836 miles / 2955 kilometers, and travel time by car is about 34 hours 15 minutes.
Portsmouth International Airport at Pease – Dallas/Fort Worth International Airport
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Distance from Portsmouth to Dallas
There are several ways to calculate the distance from Portsmouth to Dallas. 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 Portsmouth to Dallas?
The estimated flight time from Portsmouth International Airport at Pease to Dallas/Fort Worth International Airport is 3 hours and 30 minutes.
What is the time difference between Portsmouth and Dallas?
The time difference between Portsmouth and Dallas is 1 hour. Dallas is 1 hour behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Dallas/Fort Worth International Airport (DFW)
On average, flying from Portsmouth to Dallas 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 Portsmouth to Dallas
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Dallas/Fort Worth International Airport (DFW).
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 | 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 |