# 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
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
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.

EDT

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?