How far is Atlanta, GA, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Atlanta (Hartsfield–Jackson Atlanta International Airport) is 493 miles / 794 kilometers / 428 nautical miles.
The driving distance from Decatur (DEC) to Atlanta (ATL) is 623 miles / 1002 kilometers, and travel time by car is about 11 hours 49 minutes.
Decatur Airport – Hartsfield–Jackson Atlanta International Airport
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Distance from Decatur to Atlanta
There are several ways to calculate the distance from Decatur to Atlanta. Here are two standard methods:
Vincenty's formula (applied above)- 493.093 miles
- 793.557 kilometers
- 428.486 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- 493.552 miles
- 794.294 kilometers
- 428.885 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 Atlanta?
The estimated flight time from Decatur Airport to Hartsfield–Jackson Atlanta International Airport is 1 hour and 26 minutes.
What is the time difference between Decatur and Atlanta?
The time difference between Decatur and Atlanta is 1 hour. Atlanta is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Hartsfield–Jackson Atlanta International Airport (ATL)
On average, flying from Decatur to Atlanta generates about 98 kg of CO2 per passenger, and 98 kilograms equals 215 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 Atlanta
See the map of the shortest flight path between Decatur Airport (DEC) and Hartsfield–Jackson Atlanta International Airport (ATL).
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 | Hartsfield–Jackson Atlanta International Airport |
|---|---|
| City: | Atlanta, GA |
| Country: | United States |
| IATA Code: | ATL |
| ICAO Code: | KATL |
| Coordinates: | 33°38′12″N, 84°25′41″W |