How far is Juneau, AK, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Juneau (Juneau International Airport) is 1217 miles / 1958 kilometers / 1057 nautical miles.
The driving distance from Great Falls (GTF) to Juneau (JNU) is 1644 miles / 2646 kilometers, and travel time by car is about 40 hours 40 minutes.
Great Falls International Airport – Juneau International Airport
Search flights
Distance from Great Falls to Juneau
There are several ways to calculate the distance from Great Falls to Juneau. Here are two standard methods:
Vincenty's formula (applied above)- 1216.912 miles
- 1958.431 kilometers
- 1057.468 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- 1214.111 miles
- 1953.923 kilometers
- 1055.034 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 Great Falls to Juneau?
The estimated flight time from Great Falls International Airport to Juneau International Airport is 2 hours and 48 minutes.
What is the time difference between Great Falls and Juneau?
The time difference between Great Falls and Juneau is 2 hours. Juneau is 2 hours behind Great Falls.
Flight carbon footprint between Great Falls International Airport (GTF) and Juneau International Airport (JNU)
On average, flying from Great Falls to Juneau generates about 162 kg of CO2 per passenger, and 162 kilograms equals 357 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Great Falls to Juneau
See the map of the shortest flight path between Great Falls International Airport (GTF) and Juneau International Airport (JNU).
Airport information
| Origin | 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 |
| Destination | Juneau International Airport |
|---|---|
| City: | Juneau, AK |
| Country: | United States |
| IATA Code: | JNU |
| ICAO Code: | PAJN |
| Coordinates: | 58°21′28″N, 134°34′59″W |