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How far is Great Falls, MT, from Chattanooga, TN?

The distance between Chattanooga (Chattanooga Metropolitan Airport) and Great Falls (Great Falls International Airport) is 1599 miles / 2573 kilometers / 1389 nautical miles.

The driving distance from Chattanooga (CHA) to Great Falls (GTF) is 1937 miles / 3118 kilometers, and travel time by car is about 36 hours 24 minutes.

Chattanooga Metropolitan Airport – Great Falls International Airport

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1599
Miles
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2573
Kilometers
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1389
Nautical miles

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Distance from Chattanooga to Great Falls

There are several ways to calculate the distance from Chattanooga to Great Falls. Here are two standard methods:

Vincenty's formula (applied above)
  • 1598.791 miles
  • 2573.005 kilometers
  • 1389.312 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
  • 1596.442 miles
  • 2569.225 kilometers
  • 1387.271 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 Chattanooga to Great Falls?

The estimated flight time from Chattanooga Metropolitan Airport to Great Falls International Airport is 3 hours and 31 minutes.

Flight carbon footprint between Chattanooga Metropolitan Airport (CHA) and Great Falls International Airport (GTF)

On average, flying from Chattanooga to Great Falls generates about 186 kg of CO2 per passenger, and 186 kilograms equals 410 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Chattanooga to Great Falls

See the map of the shortest flight path between Chattanooga Metropolitan Airport (CHA) and Great Falls International Airport (GTF).

Airport information

Origin Chattanooga Metropolitan Airport
City: Chattanooga, TN
Country: United States Flag of United States
IATA Code: CHA
ICAO Code: KCHA
Coordinates: 35°2′7″N, 85°12′13″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