How far is Great Falls, MT, from Unalaska, AK?
The distance between Unalaska (Unalaska Airport) and Great Falls (Great Falls International Airport) is 2399 miles / 3861 kilometers / 2085 nautical miles.
Unalaska Airport – Great Falls International Airport
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Distance from Unalaska to Great Falls
There are several ways to calculate the distance from Unalaska to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 2399.190 miles
- 3861.121 kilometers
- 2084.839 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- 2391.940 miles
- 3849.454 kilometers
- 2078.539 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 Unalaska to Great Falls?
The estimated flight time from Unalaska Airport to Great Falls International Airport is 5 hours and 2 minutes.
What is the time difference between Unalaska and Great Falls?
Flight carbon footprint between Unalaska Airport (DUT) and Great Falls International Airport (GTF)
On average, flying from Unalaska to Great Falls generates about 263 kg of CO2 per passenger, and 263 kilograms equals 581 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Unalaska to Great Falls
See the map of the shortest flight path between Unalaska Airport (DUT) and Great Falls International Airport (GTF).
Airport information
| Origin | Unalaska Airport |
|---|---|
| City: | Unalaska, AK |
| Country: | United States  |
| IATA Code: | DUT |
| ICAO Code: | PADU |
| Coordinates: | 53°54′0″N, 166°32′38″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 |