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).
Time difference and current local times
The time difference between Fairbanks and Portsmouth is 4 hours. Portsmouth is 4 hours ahead of Fairbanks.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 361 kg (796 pounds).
Frequent Flyer Miles Calculator
Fairbanks (FAI) → Portsmouth (PSM).