How far is Great Falls, MT, from St. George Island, AK?
The distance between St. George Island (St. George Airport) and Great Falls (Great Falls International Airport) is 2483 miles / 3995 kilometers / 2157 nautical miles.
St. George Airport – Great Falls International Airport
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Distance from St. George Island to Great Falls
There are several ways to calculate the distance from St. George Island to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 2482.674 miles
- 3995.476 kilometers
- 2157.384 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- 2475.173 miles
- 3983.404 kilometers
- 2150.866 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 Great Falls?
The estimated flight time from St. George Airport to Great Falls International Airport is 5 hours and 12 minutes.
What is the time difference between St. George Island and Great Falls?
Flight carbon footprint between St. George Airport (STG) and Great Falls International Airport (GTF)
On average, flying from St. George Island to Great Falls generates about 273 kg of CO2 per passenger, and 273 kilograms equals 602 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 Great Falls
See the map of the shortest flight path between St. George Airport (STG) and Great Falls International Airport (GTF).
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 | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |