How far is Knoxville, TN, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Knoxville (Knoxville McGhee Tyson Airport) is 385 miles / 619 kilometers / 334 nautical miles.
The driving distance from Decatur (DEC) to Knoxville (TYS) is 544 miles / 875 kilometers, and travel time by car is about 10 hours 16 minutes.
Decatur Airport – Knoxville McGhee Tyson Airport
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Distance from Decatur to Knoxville
There are several ways to calculate the distance from Decatur to Knoxville. Here are two standard methods:
Vincenty's formula (applied above)- 384.630 miles
- 619.002 kilometers
- 334.234 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- 384.557 miles
- 618.884 kilometers
- 334.171 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 Knoxville?
The estimated flight time from Decatur Airport to Knoxville McGhee Tyson Airport is 1 hour and 13 minutes.
What is the time difference between Decatur and Knoxville?
The time difference between Decatur and Knoxville is 1 hour. Knoxville is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Knoxville McGhee Tyson Airport (TYS)
On average, flying from Decatur to Knoxville generates about 82 kg of CO2 per passenger, and 82 kilograms equals 180 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 Knoxville
See the map of the shortest flight path between Decatur Airport (DEC) and Knoxville McGhee Tyson Airport (TYS).
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 | 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 |