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How far is Great Falls, MT, from Juneau, AK?

The distance between Juneau (Juneau International Airport) and Great Falls (Great Falls International Airport) is 1217 miles / 1958 kilometers / 1057 nautical miles.

The driving distance from Juneau (JNU) to Great Falls (GTF) is 1644 miles / 2646 kilometers, and travel time by car is about 40 hours 40 minutes.

Juneau International Airport – Great Falls International Airport

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1217
Miles
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1958
Kilometers
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1057
Nautical miles

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Distance from Juneau to Great Falls

There are several ways to calculate the distance from Juneau to Great Falls. 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 Juneau to Great Falls?

The estimated flight time from Juneau International Airport to Great Falls International Airport is 2 hours and 48 minutes.

Flight carbon footprint between Juneau International Airport (JNU) and Great Falls International Airport (GTF)

On average, flying from Juneau to Great Falls 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 Juneau to Great Falls

See the map of the shortest flight path between Juneau International Airport (JNU) and Great Falls International Airport (GTF).

Airport information

Origin Juneau International Airport
City: Juneau, AK
Country: United States Flag of United States
IATA Code: JNU
ICAO Code: PAJN
Coordinates: 58°21′28″N, 134°34′59″W
Destination Great Falls International Airport
City: Great Falls, MT
Country: United States Flag of United States
IATA Code: GTF
ICAO Code: KGTF
Coordinates: 47°28′55″N, 111°22′15″W