How far is Great Falls, MT, from Knoxville, TN?
The distance between Knoxville (Knoxville McGhee Tyson Airport) and Great Falls (Great Falls International Airport) is 1618 miles / 2603 kilometers / 1406 nautical miles.
The driving distance from Knoxville (TYS) to Great Falls (GTF) is 1939 miles / 3120 kilometers, and travel time by car is about 35 hours 50 minutes.
Knoxville McGhee Tyson Airport – Great Falls International Airport
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Distance from Knoxville to Great Falls
There are several ways to calculate the distance from Knoxville to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1617.590 miles
- 2603.259 kilometers
- 1405.648 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- 1614.909 miles
- 2598.945 kilometers
- 1403.318 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 Knoxville to Great Falls?
The estimated flight time from Knoxville McGhee Tyson Airport to Great Falls International Airport is 3 hours and 33 minutes.
What is the time difference between Knoxville and Great Falls?
Flight carbon footprint between Knoxville McGhee Tyson Airport (TYS) and Great Falls International Airport (GTF)
On average, flying from Knoxville to Great Falls generates about 187 kg of CO2 per passenger, and 187 kilograms equals 412 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Knoxville to Great Falls
See the map of the shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Great Falls International Airport (GTF).
Airport information
| Origin | Knoxville McGhee Tyson Airport |
|---|---|
| City: | Knoxville, TN |
| Country: | United States  |
| IATA Code: | TYS |
| ICAO Code: | KTYS |
| Coordinates: | 35°48′39″N, 83°59′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 |