How far is Blountville, TN, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Blountville (Blountville Tri-Cities Regional Airport) is 421 miles / 678 kilometers / 366 nautical miles.
The driving distance from Decatur (DEC) to Blountville (TRI) is 586 miles / 943 kilometers, and travel time by car is about 11 hours 4 minutes.
Decatur Airport – Blountville Tri-Cities Regional Airport
Search flights
Distance from Decatur to Blountville
There are several ways to calculate the distance from Decatur to Blountville. Here are two standard methods:
Vincenty's formula (applied above)- 421.009 miles
- 677.549 kilometers
- 365.847 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- 420.532 miles
- 676.781 kilometers
- 365.432 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 Decatur to Blountville?
The estimated flight time from Decatur Airport to Blountville Tri-Cities Regional Airport is 1 hour and 17 minutes.
What is the time difference between Decatur and Blountville?
Flight carbon footprint between Decatur Airport (DEC) and Blountville Tri-Cities Regional Airport (TRI)
On average, flying from Decatur to Blountville generates about 87 kg of CO2 per passenger, and 87 kilograms equals 192 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Decatur to Blountville
See the map of the shortest flight path between Decatur Airport (DEC) and Blountville Tri-Cities Regional Airport (TRI).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″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 |