How far is Helena, MT, from St. George Island, AK?
The distance between St. George Island (St. George Airport) and Helena (Helena Regional Airport) is 2496 miles / 4017 kilometers / 2169 nautical miles.
St. George Airport – Helena Regional Airport
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Distance from St. George Island to Helena
There are several ways to calculate the distance from St. George Island to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 2496.218 miles
- 4017.274 kilometers
- 2169.154 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- 2488.829 miles
- 4005.382 kilometers
- 2162.733 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 Helena?
The estimated flight time from St. George Airport to Helena Regional Airport is 5 hours and 13 minutes.
What is the time difference between St. George Island and Helena?
Flight carbon footprint between St. George Airport (STG) and Helena Regional Airport (HLN)
On average, flying from St. George Island to Helena generates about 275 kg of CO2 per passenger, and 275 kilograms equals 606 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 Helena
See the map of the shortest flight path between St. George Airport (STG) and Helena Regional Airport (HLN).
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 | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |