Air Miles Calculator

Distance between Charlotte, NC (CLT) and Portsmouth, NH (PSM)

Flight distance from Charlotte to Portsmouth (Charlotte Douglas International Airport – Portsmouth International Airport at Pease) is 767 miles / 1234 kilometers / 666 nautical miles. Estimated flight time is 1 hour 57 minutes.

Driving distance from Charlotte (CLT) to Portsmouth (PSM) is 889 miles / 1431 kilometers and travel time by car is about 16 hours 40 minutes.

Map of flight path and driving directions from Charlotte to Portsmouth.

Shortest flight path between Charlotte Douglas International Airport (CLT) and Portsmouth International Airport at Pease (PSM).

How far is Portsmouth from Charlotte?

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

Vincenty's formula (applied above)
  • 766.870 miles
  • 1234.158 kilometers
  • 666.392 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
  • 766.544 miles
  • 1233.633 kilometers
  • 666.108 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 Charlotte Douglas International Airport
City: Charlotte, NC
Country: United States Flag of United States
IATA Code: CLT
ICAO Code: KCLT
Coordinates: 35°12′50″N, 80°56′35″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

There is no time difference between Charlotte and Portsmouth.

Time Difference

Charlotte, NC

 EST

Portsmouth, NH

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 132 kg (290 pounds).

Frequent Flyer Miles Calculator

Charlotte (CLT) → Portsmouth (PSM).

Distance:
767
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
767

Round trip?