How far is Great Falls, MT, from Skagway, AK?
The distance between Skagway (Skagway Airport) and Great Falls (Great Falls International Airport) is 1277 miles / 2055 kilometers / 1109 nautical miles.
The driving distance from Skagway (SGY) to Great Falls (GTF) is 1766 miles / 2842 kilometers, and travel time by car is about 34 hours 56 minutes.
Skagway Airport – Great Falls International Airport
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Distance from Skagway to Great Falls
There are several ways to calculate the distance from Skagway to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1276.768 miles
- 2054.758 kilometers
- 1109.481 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- 1273.881 miles
- 2050.113 kilometers
- 1106.972 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 Skagway to Great Falls?
The estimated flight time from Skagway Airport to Great Falls International Airport is 2 hours and 55 minutes.
What is the time difference between Skagway and Great Falls?
Flight carbon footprint between Skagway Airport (SGY) and Great Falls International Airport (GTF)
On average, flying from Skagway to Great Falls generates about 165 kg of CO2 per passenger, and 165 kilograms equals 365 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Skagway to Great Falls
See the map of the shortest flight path between Skagway Airport (SGY) and Great Falls International Airport (GTF).
Airport information
| Origin | Skagway Airport |
|---|---|
| City: | Skagway, AK |
| Country: | United States  |
| IATA Code: | SGY |
| ICAO Code: | PAGY |
| Coordinates: | 59°27′36″N, 135°18′57″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 |