How far is Chattanooga, TN, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Chattanooga (Chattanooga Metropolitan Airport) is 387 miles / 623 kilometers / 337 nautical miles.
The driving distance from Decatur (DEC) to Chattanooga (CHA) is 506 miles / 815 kilometers, and travel time by car is about 9 hours 40 minutes.
Decatur Airport – Chattanooga Metropolitan Airport
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Distance from Decatur to Chattanooga
There are several ways to calculate the distance from Decatur to Chattanooga. Here are two standard methods:
Vincenty's formula (applied above)- 387.334 miles
- 623.354 kilometers
- 336.584 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- 387.622 miles
- 623.817 kilometers
- 336.834 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 Chattanooga?
The estimated flight time from Decatur Airport to Chattanooga Metropolitan Airport is 1 hour and 14 minutes.
What is the time difference between Decatur and Chattanooga?
Flight carbon footprint between Decatur Airport (DEC) and Chattanooga Metropolitan Airport (CHA)
On average, flying from Decatur to Chattanooga generates about 82 kg of CO2 per passenger, and 82 kilograms equals 181 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 Chattanooga
See the map of the shortest flight path between Decatur Airport (DEC) and Chattanooga Metropolitan Airport (CHA).
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 | Chattanooga Metropolitan Airport |
|---|---|
| City: | Chattanooga, TN |
| Country: | United States |
| IATA Code: | CHA |
| ICAO Code: | KCHA |
| Coordinates: | 35°2′7″N, 85°12′13″W |