How far is McGrath, AK, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and McGrath (McGrath Airport) is 3487 miles / 5611 kilometers / 3030 nautical miles.
The driving distance from Portsmouth (PSM) to McGrath (MCG) is 4627 miles / 7446 kilometers, and travel time by car is about 91 hours 56 minutes.
Portsmouth International Airport at Pease – McGrath Airport
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Distance from Portsmouth to McGrath
There are several ways to calculate the distance from Portsmouth to McGrath. 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 Portsmouth to McGrath?
The estimated flight time from Portsmouth International Airport at Pease to McGrath Airport is 7 hours and 6 minutes.
What is the time difference between Portsmouth and McGrath?
The time difference between Portsmouth and McGrath is 4 hours. McGrath is 4 hours behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and McGrath Airport (MCG)
On average, flying from Portsmouth to McGrath 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 Portsmouth to McGrath
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and McGrath Airport (MCG).
Airport information
| Origin | 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 |
| Destination | McGrath Airport |
|---|---|
| City: | McGrath, AK |
| Country: | United States |
| IATA Code: | MCG |
| ICAO Code: | PAMC |
| Coordinates: | 62°57′10″N, 155°36′21″W |