How far is Decatur, IL, from Blountville, TN?
The distance between Blountville (Blountville Tri-Cities Regional Airport) and Decatur (Decatur Airport) is 421 miles / 678 kilometers / 366 nautical miles.
The driving distance from Blountville (TRI) to Decatur (DEC) is 580 miles / 934 kilometers, and travel time by car is about 11 hours 5 minutes.
Blountville Tri-Cities Regional Airport – Decatur Airport
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Distance from Blountville to Decatur
There are several ways to calculate the distance from Blountville to Decatur. 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 Blountville to Decatur?
The estimated flight time from Blountville Tri-Cities Regional Airport to Decatur Airport is 1 hour and 17 minutes.
What is the time difference between Blountville and Decatur?
The time difference between Blountville and Decatur is 1 hour. Decatur is 1 hour behind Blountville.
Flight carbon footprint between Blountville Tri-Cities Regional Airport (TRI) and Decatur Airport (DEC)
On average, flying from Blountville to Decatur 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 Blountville to Decatur
See the map of the shortest flight path between Blountville Tri-Cities Regional Airport (TRI) and Decatur Airport (DEC).
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 | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |