How far is Portsmouth from Dallas?
There are several ways to calculate distances between Dallas and Portsmouth. Here are two common 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 earth.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).
Estimated flight time from Dallas Love Field (DAL) to Portsmouth International Airport at Pease (PSM) is 3 hours 29 minutes.
Time difference and current local times
The time difference between Dallas and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Dallas.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 173 kg (381 pounds).
Dallas to Portsmouth flight map.
Frequent Flyer Miles Calculator
Dallas (DAL) → Portsmouth (PSM).