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How far is Portsmouth, NH, from McGrath, AK?

The distance between McGrath (McGrath Airport) and Portsmouth (Portsmouth International Airport at Pease) is 3487 miles / 5611 kilometers / 3030 nautical miles.

The driving distance from McGrath (MCG) to Portsmouth (PSM) is 4627 miles / 7447 kilometers, and travel time by car is about 92 hours 2 minutes.

McGrath Airport – Portsmouth International Airport at Pease

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3487
Miles
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5611
Kilometers
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3030
Nautical miles

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Distance from McGrath to Portsmouth

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

Vincenty's formula (applied above)
  • 3486.604 miles
  • 5611.145 kilometers
  • 3029.776 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
  • 3476.787 miles
  • 5595.346 kilometers
  • 3021.245 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 McGrath to Portsmouth?

The estimated flight time from McGrath Airport to Portsmouth International Airport at Pease is 7 hours and 6 minutes.

Flight carbon footprint between McGrath Airport (MCG) and Portsmouth International Airport at Pease (PSM)

On average, flying from McGrath to Portsmouth generates about 393 kg of CO2 per passenger, and 393 kilograms equals 866 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from McGrath to Portsmouth

See the map of the shortest flight path between McGrath Airport (MCG) and Portsmouth International Airport at Pease (PSM).

Airport information

Origin McGrath Airport
City: McGrath, AK
Country: United States Flag of United States
IATA Code: MCG
ICAO Code: PAMC
Coordinates: 62°57′10″N, 155°36′21″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