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

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

The driving distance from Portsmouth (PSM) to New Orleans (MSY) is 1581 miles / 2544 kilometers, and travel time by car is about 30 hours 5 minutes.

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

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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 Portsmouth to New Orleans

There are several ways to calculate the distance from Portsmouth to New Orleans. 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 Portsmouth to New Orleans?

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

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

On average, flying from Portsmouth to New Orleans 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 Portsmouth to New Orleans

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

Airport information

Origin 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
Destination 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