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How far is Portsmouth, NH, from Rock Springs, WY?

The distance between Rock Springs (Southwest Wyoming Regional Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1944 miles / 3129 kilometers / 1689 nautical miles.

The driving distance from Rock Springs (RKS) to Portsmouth (PSM) is 2246 miles / 3614 kilometers, and travel time by car is about 40 hours 42 minutes.

Southwest Wyoming Regional Airport – Portsmouth International Airport at Pease

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1944
Miles
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3129
Kilometers
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1689
Nautical miles

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Distance from Rock Springs to Portsmouth

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

Vincenty's formula (applied above)
  • 1943.985 miles
  • 3128.541 kilometers
  • 1689.277 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
  • 1938.884 miles
  • 3120.331 kilometers
  • 1684.844 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 Rock Springs to Portsmouth?

The estimated flight time from Southwest Wyoming Regional Airport to Portsmouth International Airport at Pease is 4 hours and 10 minutes.

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Portsmouth International Airport at Pease (PSM)

On average, flying from Rock Springs to Portsmouth generates about 212 kg of CO2 per passenger, and 212 kilograms equals 468 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rock Springs to Portsmouth

See the map of the shortest flight path between Southwest Wyoming Regional Airport (RKS) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″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