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

The distance between Grayling (Grayling Airport) and Portsmouth (Portsmouth International Airport at Pease) is 3620 miles / 5825 kilometers / 3145 nautical miles.

Distance from Grayling to Portsmouth

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

Vincenty's formula (applied above)

• 3619.603 miles
• 5825.186 kilometers
• 3145.349 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

• 3609.321 miles
• 5808.639 kilometers
• 3136.414 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 Grayling to Portsmouth?

The estimated flight time from Grayling Airport to Portsmouth International Airport at Pease is 7 hours and 21 minutes.

What is the time difference between Grayling and Portsmouth?

The time difference between Grayling and Portsmouth is 4 hours. Portsmouth is 4 hours ahead of Grayling.

Flight carbon footprint between Grayling Airport (KGX) and Portsmouth International Airport at Pease (PSM)

On average, flying from Grayling to Portsmouth generates about 409 kg of CO2 per passenger, and 409 kilograms equals 902 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Grayling to Portsmouth

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

Airport information

Origin	Grayling Airport
City:	Grayling, AK
Country:	United States
IATA Code:	KGX
ICAO Code:	PAGX
Coordinates:	62°53′42″N, 160°3′58″W

Destination	Portsmouth International Airport at Pease
City:	Portsmouth, NH
Country:	United States
IATA Code:	PSM
ICAO Code:	KPSM
Coordinates:	43°4′40″N, 70°49′23″W