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How far is Portsmouth, NH, from Atlanta, GA?

The distance between Atlanta (Hartsfield–Jackson Atlanta International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 983 miles / 1581 kilometers / 854 nautical miles.

The driving distance from Atlanta (ATL) to Portsmouth (PSM) is 1138 miles / 1831 kilometers, and travel time by car is about 22 hours 33 minutes.

Hartsfield–Jackson Atlanta International Airport – Portsmouth International Airport at Pease

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983
Miles
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1581
Kilometers
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854
Nautical miles

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Distance from Atlanta to Portsmouth

There are several ways to calculate the distance from Atlanta to Portsmouth. Here are two standard 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 planet.

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).

How long does it take to fly from Atlanta to Portsmouth?

The estimated flight time from Hartsfield–Jackson Atlanta International Airport to Portsmouth International Airport at Pease is 2 hours and 21 minutes.

What is the time difference between Atlanta and Portsmouth?

There is no time difference between Atlanta and Portsmouth.

Flight carbon footprint between Hartsfield–Jackson Atlanta International Airport (ATL) and Portsmouth International Airport at Pease (PSM)

On average, flying from Atlanta to Portsmouth generates about 150 kg of CO2 per passenger, and 150 kilograms equals 330 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Atlanta to Portsmouth

See the map of the shortest flight path between Hartsfield–Jackson Atlanta International Airport (ATL) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin 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
Destination 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