How far is Portsmouth, NH, from St. George Island, AK?
The distance between St. George Island (St. George Airport) and Portsmouth (Portsmouth International Airport at Pease) is 4120 miles / 6630 kilometers / 3580 nautical miles.
St. George Airport – Portsmouth International Airport at Pease
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Distance from St. George Island to Portsmouth
There are several ways to calculate the distance from St. George Island to Portsmouth. Here are two standard methods:
Vincenty's formula (applied above)- 4119.836 miles
- 6630.234 kilometers
- 3580.040 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- 4107.952 miles
- 6611.108 kilometers
- 3569.713 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 St. George Island to Portsmouth?
The estimated flight time from St. George Airport to Portsmouth International Airport at Pease is 8 hours and 18 minutes.
What is the time difference between St. George Island and Portsmouth?
Flight carbon footprint between St. George Airport (STG) and Portsmouth International Airport at Pease (PSM)
On average, flying from St. George Island to Portsmouth generates about 471 kg of CO2 per passenger, and 471 kilograms equals 1 039 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from St. George Island to Portsmouth
See the map of the shortest flight path between St. George Airport (STG) and Portsmouth International Airport at Pease (PSM).
Airport information
| Origin | St. George Airport |
|---|---|
| City: | St. George Island, AK |
| Country: | United States  |
| IATA Code: | STG |
| ICAO Code: | PAPB |
| Coordinates: | 56°34′38″N, 169°39′49″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 |