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How far is Laredo, TX, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Laredo (Laredo International Airport) is 1925 miles / 3098 kilometers / 1673 nautical miles.

The driving distance from Portsmouth (PSM) to Laredo (LRD) is 2261 miles / 3639 kilometers, and travel time by car is about 41 hours 29 minutes.

Portsmouth International Airport at Pease – Laredo International Airport

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1925
Miles
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3098
Kilometers
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1673
Nautical miles

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Distance from Portsmouth to Laredo

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

Vincenty's formula (applied above)
  • 1925.315 miles
  • 3098.494 kilometers
  • 1673.053 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
  • 1923.680 miles
  • 3095.863 kilometers
  • 1671.632 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 Laredo?

The estimated flight time from Portsmouth International Airport at Pease to Laredo International Airport is 4 hours and 8 minutes.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Laredo International Airport (LRD)

On average, flying from Portsmouth to Laredo generates about 211 kg of CO2 per passenger, and 211 kilograms equals 464 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 Laredo

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Laredo International Airport (LRD).

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 Laredo International Airport
City: Laredo, TX
Country: United States Flag of United States
IATA Code: LRD
ICAO Code: KLRD
Coordinates: 27°32′37″N, 99°27′41″W