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How far is Portsmouth, NH, from St George, UT?

The distance between St George (St. George Municipal Airport) and Portsmouth (Portsmouth International Airport at Pease) is 2276 miles / 3663 kilometers / 1978 nautical miles.

The driving distance from St George (SGU) to Portsmouth (PSM) is 2668 miles / 4294 kilometers, and travel time by car is about 48 hours 9 minutes.

St. George Municipal Airport – Portsmouth International Airport at Pease

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2276
Miles
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3663
Kilometers
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1978
Nautical miles

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Distance from St George to Portsmouth

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

Vincenty's formula (applied above)
  • 2275.983 miles
  • 3662.839 kilometers
  • 1977.775 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
  • 2270.594 miles
  • 3654.166 kilometers
  • 1973.092 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 St George to Portsmouth?

The estimated flight time from St. George Municipal Airport to Portsmouth International Airport at Pease is 4 hours and 48 minutes.

Flight carbon footprint between St. George Municipal Airport (SGU) and Portsmouth International Airport at Pease (PSM)

On average, flying from St George to Portsmouth generates about 249 kg of CO2 per passenger, and 249 kilograms equals 549 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St George to Portsmouth

See the map of the shortest flight path between St. George Municipal Airport (SGU) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin St. George Municipal Airport
City: St George, UT
Country: United States Flag of United States
IATA Code: SGU
ICAO Code: KSGU
Coordinates: 37°2′11″N, 113°30′37″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