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

The distance between Williamsport (Williamsport Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 338 miles / 543 kilometers / 293 nautical miles.

The driving distance from Williamsport (IPT) to Portsmouth (PSM) is 452 miles / 727 kilometers, and travel time by car is about 9 hours 4 minutes.

Williamsport Regional Airport – Portsmouth International Airport at Pease

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338
Miles
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543
Kilometers
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293
Nautical miles

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Distance from Williamsport to Portsmouth

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

Vincenty's formula (applied above)
  • 337.701 miles
  • 543.477 kilometers
  • 293.454 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
  • 336.990 miles
  • 542.334 kilometers
  • 292.837 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 Williamsport to Portsmouth?

The estimated flight time from Williamsport Regional Airport to Portsmouth International Airport at Pease is 1 hour and 8 minutes.

What is the time difference between Williamsport and Portsmouth?

There is no time difference between Williamsport and Portsmouth.

Flight carbon footprint between Williamsport Regional Airport (IPT) and Portsmouth International Airport at Pease (PSM)

On average, flying from Williamsport to Portsmouth generates about 75 kg of CO2 per passenger, and 75 kilograms equals 165 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Williamsport to Portsmouth

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

Airport information

Origin Williamsport Regional Airport
City: Williamsport, PA
Country: United States Flag of United States
IATA Code: IPT
ICAO Code: KIPT
Coordinates: 41°14′30″N, 76°55′15″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