Air Miles Calculator

Distance between Atlanta, GA (ATL) and Chicago, IL (ORD)

Distance from Hartsfield–Jackson Atlanta International Airport to O'Hare International Airport is 606 miles / 975 kilometers / 526 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 605.810 miles
  • 974.957 kilometers
  • 526.435 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
  • 606.663 miles
  • 976.329 kilometers
  • 527.176 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Hartsfield–Jackson Atlanta International Airport (ATL) to O'Hare International Airport (ORD) is 1 hour 38 minutes.

Time difference and current local times

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

Time Difference

Atlanta
Chicago

Atlanta, GA

 EST

Chicago, IL

 CST

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 O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

Map

Flight map from Atlanta to Chicago.

Frequent Flyer Miles Calculator

Atlanta (ATL) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
606
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
606

Round trip?