# Distance between Fairbanks, AK (FAI) and Portsmouth, NH (PSM)

Flight distance from Fairbanks to Portsmouth (Fairbanks International Airport – Portsmouth International Airport at Pease) is 3225 miles / 5189 kilometers / 2802 nautical miles. Estimated flight time is 6 hours 36 minutes.

Driving distance from Fairbanks (FAI) to Portsmouth (PSM) is 4438 miles / 7142 kilometers and travel time by car is about 81 hours 5 minutes.

## Map of flight path and driving directions from Fairbanks to Portsmouth.

Shortest flight path between Fairbanks International Airport (FAI) and Portsmouth International Airport at Pease (PSM).

## How far is Portsmouth from Fairbanks?

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

Vincenty's formula (applied above)
• 3224.605 miles
• 5189.498 kilometers
• 2802.105 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
• 3215.793 miles
• 5175.316 kilometers
• 2794.447 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 Fairbanks International Airport
City: Fairbanks, AK
Country: United States
IATA Code: FAI
ICAO Code: PAFA
Coordinates: 64°48′54″N, 147°51′21″W

B 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

## Time difference and current local times

The time difference between Fairbanks and Portsmouth is 4 hours. Portsmouth is 4 hours ahead of Fairbanks.

AKST

EST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 361 kg (796 pounds).

## Frequent Flyer Miles Calculator

Fairbanks (FAI) → Portsmouth (PSM).

Distance:
3225
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
3225

Round trip?