How far is Great Falls, MT, from Annette, AK?
The distance between Annette (Annette Island Airport) and Great Falls (Great Falls International Airport) is 1015 miles / 1633 kilometers / 882 nautical miles.
The driving distance from Annette (ANN) to Great Falls (GTF) is 1370 miles / 2205 kilometers, and travel time by car is about 32 hours 44 minutes.
Annette Island Airport – Great Falls International Airport
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Distance from Annette to Great Falls
There are several ways to calculate the distance from Annette to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1014.728 miles
- 1633.047 kilometers
- 881.775 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- 1012.243 miles
- 1629.047 kilometers
- 879.615 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 Annette to Great Falls?
The estimated flight time from Annette Island Airport to Great Falls International Airport is 2 hours and 25 minutes.
What is the time difference between Annette and Great Falls?
Flight carbon footprint between Annette Island Airport (ANN) and Great Falls International Airport (GTF)
On average, flying from Annette to Great Falls generates about 152 kg of CO2 per passenger, and 152 kilograms equals 335 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Annette to Great Falls
See the map of the shortest flight path between Annette Island Airport (ANN) and Great Falls International Airport (GTF).
Airport information
| Origin | Annette Island Airport |
|---|---|
| City: | Annette, AK |
| Country: | United States  |
| IATA Code: | ANN |
| ICAO Code: | PANT |
| Coordinates: | 55°2′32″N, 131°34′19″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 |