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.
The driving distance from Grayling (KGX) to Portsmouth (PSM) is 4996 miles / 8041 kilometers, and travel time by car is about 150 hours 43 minutes.
Grayling Airport – Portsmouth International Airport at Pease
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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?
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 and driving directions 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 |