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How far is Allentown, PA, from Portsmouth, NH?

The distance between Portsmouth (Portsmouth International Airport at Pease) and Allentown (Lehigh Valley International Airport) is 291 miles / 468 kilometers / 253 nautical miles.

The driving distance from Portsmouth (PSM) to Allentown (ABE) is 350 miles / 564 kilometers, and travel time by car is about 7 hours 23 minutes.

Portsmouth International Airport at Pease – Lehigh Valley International Airport

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291
Miles
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468
Kilometers
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253
Nautical miles

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Distance from Portsmouth to Allentown

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

Vincenty's formula (applied above)
  • 291.090 miles
  • 468.464 kilometers
  • 252.950 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
  • 290.690 miles
  • 467.821 kilometers
  • 252.603 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 Allentown?

The estimated flight time from Portsmouth International Airport at Pease to Lehigh Valley International Airport is 1 hour and 3 minutes.

What is the time difference between Portsmouth and Allentown?

There is no time difference between Portsmouth and Allentown.

Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Lehigh Valley International Airport (ABE)

On average, flying from Portsmouth to Allentown generates about 68 kg of CO2 per passenger, and 68 kilograms equals 150 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 Allentown

See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Lehigh Valley International Airport (ABE).

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 Lehigh Valley International Airport
City: Allentown, PA
Country: United States Flag of United States
IATA Code: ABE
ICAO Code: KABE
Coordinates: 40°39′7″N, 75°26′26″W