Map of flight path and driving directions from Atlanta to Portsmouth.
Shortest flight path between Hartsfield–Jackson Atlanta International Airport (ATL) and Portsmouth International Airport at Pease (PSM).
How far is Portsmouth from Atlanta?
There are several ways to calculate distances between Atlanta and Portsmouth. Here are two common methods:Vincenty's formula (applied above)
- 982.578 miles
- 1581.306 kilometers
- 853.837 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
- 982.000 miles
- 1580.376 kilometers
- 853.335 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).
|A||Hartsfield–Jackson Atlanta International Airport|
|B||Portsmouth International Airport at Pease|
Time difference and current local times
There is no time difference between Atlanta and Portsmouth.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 150 kg (330 pounds).
Frequent Flyer Miles Calculator
Atlanta (ATL) → Portsmouth (PSM).