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How far is Portsmouth, NH, from New Orleans, LA?

The distance between New Orleans (Louis Armstrong New Orleans International Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1402 miles / 2257 kilometers / 1218 nautical miles.

The driving distance from New Orleans (MSY) to Portsmouth (PSM) is 1582 miles / 2546 kilometers, and travel time by car is about 30 hours 6 minutes.

Louis Armstrong New Orleans International Airport – Portsmouth International Airport at Pease

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1402
Miles
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2257
Kilometers
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1218
Nautical miles

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Distance from New Orleans to Portsmouth

There are several ways to calculate the distance from New Orleans to Portsmouth. Here are two standard methods:

Vincenty's formula (applied above)
  • 1402.129 miles
  • 2256.507 kilometers
  • 1218.416 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
  • 1401.420 miles
  • 2255.367 kilometers
  • 1217.801 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 New Orleans to Portsmouth?

The estimated flight time from Louis Armstrong New Orleans International Airport to Portsmouth International Airport at Pease is 3 hours and 9 minutes.

Flight carbon footprint between Louis Armstrong New Orleans International Airport (MSY) and Portsmouth International Airport at Pease (PSM)

On average, flying from New Orleans to Portsmouth generates about 173 kg of CO2 per passenger, and 173 kilograms equals 382 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from New Orleans to Portsmouth

See the map of the shortest flight path between Louis Armstrong New Orleans International Airport (MSY) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Louis Armstrong New Orleans International Airport
City: New Orleans, LA
Country: United States Flag of United States
IATA Code: MSY
ICAO Code: KMSY
Coordinates: 29°59′36″N, 90°15′28″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