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How far is Lafayette, LA, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Lafayette (Lafayette Regional Airport) is 1466 miles / 2360 kilometers / 1274 nautical miles.

The driving distance from Portsmouth (PSM) to Lafayette (LFT) is 1681 miles / 2706 kilometers, and travel time by car is about 31 hours 56 minutes.

Portsmouth International Airport at Pease – Lafayette Regional Airport

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1466
Miles
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2360
Kilometers
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1274
Nautical miles

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Distance from Portsmouth to Lafayette

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

Vincenty's formula (applied above)
  • 1466.218 miles
  • 2359.649 kilometers
  • 1274.109 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
  • 1465.161 miles
  • 2357.948 kilometers
  • 1273.190 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 Lafayette?

The estimated flight time from Portsmouth International Airport at Pease to Lafayette Regional Airport is 3 hours and 16 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Lafayette Regional Airport (LFT)

On average, flying from Portsmouth to Lafayette generates about 177 kg of CO2 per passenger, and 177 kilograms equals 391 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 Lafayette

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Lafayette Regional Airport (LFT).

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 Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W