How far is Decatur, IL, from Knoxville, TN?
The distance between Knoxville (Knoxville McGhee Tyson Airport) and Decatur (Decatur Airport) is 385 miles / 619 kilometers / 334 nautical miles.
The driving distance from Knoxville (TYS) to Decatur (DEC) is 543 miles / 874 kilometers, and travel time by car is about 10 hours 15 minutes.
Knoxville McGhee Tyson Airport – Decatur Airport
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Distance from Knoxville to Decatur
There are several ways to calculate the distance from Knoxville to Decatur. 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 Knoxville to Decatur?
The estimated flight time from Knoxville McGhee Tyson Airport to Decatur Airport is 1 hour and 13 minutes.
What is the time difference between Knoxville and Decatur?
The time difference between Knoxville and Decatur is 1 hour. Decatur is 1 hour behind Knoxville.
Flight carbon footprint between Knoxville McGhee Tyson Airport (TYS) and Decatur Airport (DEC)
On average, flying from Knoxville to Decatur 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 Knoxville to Decatur
See the map of the shortest flight path between Knoxville McGhee Tyson Airport (TYS) and Decatur Airport (DEC).
Airport information
| Origin | 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 |
| Destination | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |