Air Miles Calculator

Distance between Dallas, TX (DAL) and Portsmouth, NH (PSM)

Distance from Dallas to Portsmouth (Dallas Love Field – Portsmouth International Airport at Pease) is 1578 miles / 2539 kilometers / 1371 nautical miles.

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).

Flight duration

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.

Time Difference

Dallas
Portsmouth

Dallas, TX

 CST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 173 kg (381 pounds).

Airport information


A Dallas Love Field
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DAL
ICAO Code: KDAL
Coordinates: 32°50′49″N, 96°51′6″W

B 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

Map

Dallas to Portsmouth flight map.

Frequent Flyer Miles Calculator

Dallas (DAL) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1578
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1578

Round trip?