Air Miles Calculator

Distance between Atlanta, GA (ATL) and Champaign, IL (CMI)

Flight distance from Atlanta to Champaign (Hartsfield–Jackson Atlanta International Airport – University of Illinois Willard Airport) is 490 miles / 789 kilometers / 426 nautical miles. Estimated flight time is 1 hour 25 minutes.

Driving distance from Atlanta (ATL) to Champaign (CMI) is 624 miles / 1004 kilometers and travel time by car is about 10 hours 52 minutes.

Map of flight path and driving directions from Atlanta to Champaign.

Shortest flight path between Hartsfield–Jackson Atlanta International Airport (ATL) and University of Illinois Willard Airport (CMI).

How far is Champaign from Atlanta?

There are several ways to calculate distances between Atlanta and Champaign. Here are two common methods:

Vincenty's formula (applied above)
  • 490.225 miles
  • 788.940 kilometers
  • 425.994 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 490.799 miles
  • 789.865 kilometers
  • 426.493 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).

Airport information


A Hartsfield–Jackson Atlanta International Airport
City: Atlanta, GA
Country: United States Flag of United States
IATA Code: ATL
ICAO Code: KATL
Coordinates: 33°38′12″N, 84°25′41″W

B University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W

Time difference and current local times

The time difference between Atlanta and Champaign is 1 hour. Champaign is 1 hour behind Atlanta.

Time Difference

Atlanta, GA

 EDT

Champaign, IL

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 97 kg (214 pounds).

Frequent Flyer Miles Calculator

Atlanta (ATL) → Champaign (CMI).

Distance:
490
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
490

Round trip?