How far is Blountville, TN, from Great Falls, MT?
The distance between Great Falls (Great Falls International Airport) and Blountville (Blountville Tri-Cities Regional Airport) is 1660 miles / 2672 kilometers / 1443 nautical miles.
The driving distance from Great Falls (GTF) to Blountville (TRI) is 1979 miles / 3185 kilometers, and travel time by car is about 36 hours 26 minutes.
Great Falls International Airport – Blountville Tri-Cities Regional Airport
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Distance from Great Falls to Blountville
There are several ways to calculate the distance from Great Falls to Blountville. 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 Great Falls to Blountville?
The estimated flight time from Great Falls International Airport to Blountville Tri-Cities Regional Airport is 3 hours and 38 minutes.
What is the time difference between Great Falls and Blountville?
Flight carbon footprint between Great Falls International Airport (GTF) and Blountville Tri-Cities Regional Airport (TRI)
On average, flying from Great Falls to Blountville 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 Great Falls to Blountville
See the map of the shortest flight path between Great Falls International Airport (GTF) and Blountville Tri-Cities Regional Airport (TRI).
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 | 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 |