How far is Knoxville, TN, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Knoxville (Knoxville McGhee Tyson Airport) is 1618 miles / 2603 kilometers / 1406 nautical miles.
The driving distance from Great Falls (GTF) to Knoxville (TYS) is 1937 miles / 3118 kilometers, and travel time by car is about 35 hours 38 minutes.
Great Falls International Airport – Knoxville McGhee Tyson Airport
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Distance from Great Falls to Knoxville
There are several ways to calculate the distance from Great Falls to Knoxville. 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 Great Falls to Knoxville?
The estimated flight time from Great Falls International Airport to Knoxville McGhee Tyson Airport is 3 hours and 33 minutes.
What is the time difference between Great Falls and Knoxville?
Flight carbon footprint between Great Falls International Airport (GTF) and Knoxville McGhee Tyson Airport (TYS)
On average, flying from Great Falls to Knoxville 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 Great Falls to Knoxville
See the map of the shortest flight path between Great Falls International Airport (GTF) and Knoxville McGhee Tyson Airport (TYS).
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 | 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 |