How far is Great Falls, MT, from Blountville, TN?
The distance between Blountville (Blountville Tri-Cities Regional Airport) and Great Falls (Great Falls International Airport) is 1660 miles / 2672 kilometers / 1443 nautical miles.
The driving distance from Blountville (TRI) to Great Falls (GTF) is 1976 miles / 3180 kilometers, and travel time by car is about 36 hours 40 minutes.
Blountville Tri-Cities Regional Airport – Great Falls International Airport
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Distance from Blountville to Great Falls
There are several ways to calculate the distance from Blountville to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1660.404 miles
- 2672.162 kilometers
- 1442.852 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- 1657.366 miles
- 2667.273 kilometers
- 1440.212 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 Blountville to Great Falls?
The estimated flight time from Blountville Tri-Cities Regional Airport to Great Falls International Airport is 3 hours and 38 minutes.
What is the time difference between Blountville and Great Falls?
Flight carbon footprint between Blountville Tri-Cities Regional Airport (TRI) and Great Falls International Airport (GTF)
On average, flying from Blountville to Great Falls generates about 190 kg of CO2 per passenger, and 190 kilograms equals 419 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Blountville to Great Falls
See the map of the shortest flight path between Blountville Tri-Cities Regional Airport (TRI) and Great Falls International Airport (GTF).
Airport information
| Origin | Blountville Tri-Cities Regional Airport |
|---|---|
| City: | Blountville, TN |
| Country: | United States  |
| IATA Code: | TRI |
| ICAO Code: | KTRI |
| Coordinates: | 36°28′30″N, 82°24′26″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 |