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How far is Portsmouth, NH, from Westerly, RI?

The distance between Westerly (Westerly State Airport) and Portsmouth (Portsmouth International Airport at Pease) is 129 miles / 208 kilometers / 112 nautical miles.

The driving distance from Westerly (WST) to Portsmouth (PSM) is 154 miles / 248 kilometers, and travel time by car is about 3 hours 26 minutes.

Westerly State Airport – Portsmouth International Airport at Pease

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129
Miles
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208
Kilometers
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112
Nautical miles

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Distance from Westerly to Portsmouth

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

Vincenty's formula (applied above)
  • 129.451 miles
  • 208.332 kilometers
  • 112.490 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
  • 129.517 miles
  • 208.437 kilometers
  • 112.547 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 Westerly to Portsmouth?

The estimated flight time from Westerly State Airport to Portsmouth International Airport at Pease is 44 minutes.

What is the time difference between Westerly and Portsmouth?

There is no time difference between Westerly and Portsmouth.

Flight carbon footprint between Westerly State Airport (WST) and Portsmouth International Airport at Pease (PSM)

On average, flying from Westerly to Portsmouth generates about 44 kg of CO2 per passenger, and 44 kilograms equals 97 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Westerly to Portsmouth

See the map of the shortest flight path between Westerly State Airport (WST) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Westerly State Airport
City: Westerly, RI
Country: United States Flag of United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″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