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How far is Portsmouth, NH, from Glasgow, MT?

The distance between Glasgow (Glasgow Valley County Airport) and Portsmouth (Portsmouth International Airport at Pease) is 1753 miles / 2821 kilometers / 1523 nautical miles.

The driving distance from Glasgow (GGW) to Portsmouth (PSM) is 2129 miles / 3427 kilometers, and travel time by car is about 40 hours 59 minutes.

Glasgow Valley County Airport – Portsmouth International Airport at Pease

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1753
Miles
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2821
Kilometers
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1523
Nautical miles

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Distance from Glasgow to Portsmouth

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

Vincenty's formula (applied above)
  • 1752.926 miles
  • 2821.061 kilometers
  • 1523.251 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
  • 1748.209 miles
  • 2813.469 kilometers
  • 1519.152 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 Glasgow to Portsmouth?

The estimated flight time from Glasgow Valley County Airport to Portsmouth International Airport at Pease is 3 hours and 49 minutes.

Flight carbon footprint between Glasgow Valley County Airport (GGW) and Portsmouth International Airport at Pease (PSM)

On average, flying from Glasgow to Portsmouth generates about 196 kg of CO2 per passenger, and 196 kilograms equals 433 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Glasgow to Portsmouth

See the map of the shortest flight path between Glasgow Valley County Airport (GGW) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin Glasgow Valley County Airport
City: Glasgow, MT
Country: United States Flag of United States
IATA Code: GGW
ICAO Code: KGGW
Coordinates: 48°12′45″N, 106°36′53″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