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How far is Portsmouth, NH, from Walla Walla, WA?

The distance between Walla Walla (Walla Walla Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2316 miles / 3728 kilometers / 2013 nautical miles.

The driving distance from Walla Walla (ALW) to Portsmouth (PSM) is 2982 miles / 4799 kilometers, and travel time by car is about 53 hours 1 minutes.

Walla Walla Regional Airport – Portsmouth International Airport at Pease

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2316
Miles
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3728
Kilometers
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2013
Nautical miles

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Distance from Walla Walla to Portsmouth

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

Vincenty's formula (applied above)
  • 2316.400 miles
  • 3727.885 kilometers
  • 2012.897 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
  • 2310.061 miles
  • 3717.683 kilometers
  • 2007.388 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 Walla Walla to Portsmouth?

The estimated flight time from Walla Walla Regional Airport to Portsmouth International Airport at Pease is 4 hours and 53 minutes.

Flight carbon footprint between Walla Walla Regional Airport (ALW) and Portsmouth International Airport at Pease (PSM)

On average, flying from Walla Walla to Portsmouth generates about 254 kg of CO2 per passenger, and 254 kilograms equals 560 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Walla Walla to Portsmouth

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

Airport information

Origin Walla Walla Regional Airport
City: Walla Walla, WA
Country: United States Flag of United States
IATA Code: ALW
ICAO Code: KALW
Coordinates: 46°5′41″N, 118°17′16″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