Air Miles Calculator

Distance between Atlanta, GA (ATL) and Portsmouth, NH (PSM)

Distance from Atlanta to Portsmouth (Portsmouth International Airport at Pease – Hartsfield–Jackson Atlanta International Airport) is 983 miles / 1581 kilometers / 854 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Hartsfield–Jackson Atlanta International Airport (ATL) to Portsmouth International Airport at Pease (PSM) is 2 hours 21 minutes.

Time difference and current local times

There is no time difference between Atlanta and Portsmouth.

Time Difference

Atlanta
Portsmouth

Atlanta, GA

 EDT

Portsmouth, NH

 EDT

Airport information


A Hartsfield–Jackson Atlanta International Airport
City: Atlanta, GA
Country: United States Flag of United States
IATA Code: ATL
ICAO Code: KATL
Coordinates: 33°38′12″N, 84°25′41″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

Map

Atlanta to Portsmouth flight map.

Frequent Flyer Miles Calculator

Atlanta (ATL) → Portsmouth (PSM).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
983
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
983

Round trip?