Air Miles Calculator

Distance between Oklahoma City, OK (OKC) and Portsmouth, NH (PSM)

Flight distance from Oklahoma City to Portsmouth (Will Rogers World Airport – Portsmouth International Airport at Pease) is 1523 miles / 2451 kilometers / 1324 nautical miles. Estimated flight time is 3 hours 23 minutes.

Driving distance from Oklahoma City (OKC) to Portsmouth (PSM) is 1737 miles / 2795 kilometers and travel time by car is about 30 hours 34 minutes.

Map of flight path and driving directions from Oklahoma City to Portsmouth.

Shortest flight path between Will Rogers World Airport (OKC) and Portsmouth International Airport at Pease (PSM).

How far is Portsmouth from Oklahoma City?

There are several ways to calculate distances between Oklahoma City and Portsmouth. Here are two common methods:

Vincenty's formula (applied above)
  • 1523.239 miles
  • 2451.415 kilometers
  • 1323.658 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
  • 1520.247 miles
  • 2446.600 kilometers
  • 1321.058 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).

Airport information


A Will Rogers World Airport
City: Oklahoma City, OK
Country: United States Flag of United States
IATA Code: OKC
ICAO Code: KOKC
Coordinates: 35°23′35″N, 97°36′2″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

Time difference and current local times

The time difference between Oklahoma City and Portsmouth is 1 hour. Portsmouth is 1 hour ahead of Oklahoma City.

Time Difference

Oklahoma City, OK

 CST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 181 kg (399 pounds).

Frequent Flyer Miles Calculator

Oklahoma City (OKC) → Portsmouth (PSM).

Distance:
1523
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1523

Round trip?