How far is Athens, GA, from Decatur, IL?

The distance between Decatur (Decatur Airport) and Athens (Athens–Ben Epps Airport) is 509 miles / 818 kilometers / 442 nautical miles.

The driving distance from Decatur (DEC) to Athens (AHN) is 673 miles / 1083 kilometers, and travel time by car is about 12 hours 53 minutes.

Distance from Decatur to Athens

There are several ways to calculate the distance from Decatur to Athens. Here are two standard methods:

Vincenty's formula (applied above)

• 508.553 miles
• 818.436 kilometers
• 441.920 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

• 508.765 miles
• 818.778 kilometers
• 442.105 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 Athens?

The estimated flight time from Decatur Airport to Athens–Ben Epps Airport is 1 hour and 27 minutes.

What is the time difference between Decatur and Athens?

The time difference between Decatur and Athens is 1 hour. Athens is 1 hour ahead of Decatur.

Flight carbon footprint between Decatur Airport (DEC) and Athens–Ben Epps Airport (AHN)

On average, flying from Decatur to Athens generates about 100 kg of CO2 per passenger, and 100 kilograms equals 220 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 Athens

See the map of the shortest flight path between Decatur Airport (DEC) and Athens–Ben Epps Airport (AHN).

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	Athens–Ben Epps Airport
City:	Athens, GA
Country:	United States
IATA Code:	AHN
ICAO Code:	KAHN
Coordinates:	33°56′54″N, 83°19′34″W