How far is Rockford from Atlanta?
There are several ways to calculate distances between Atlanta and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 642.781 miles
- 1034.455 kilometers
- 558.561 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
- 643.517 miles
- 1035.641 kilometers
- 559.201 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).
Estimated flight time from Hartsfield–Jackson Atlanta International Airport (ATL) to Chicago Rockford International Airport (RFD) is 1 hour 43 minutes.
Time difference and current local times
The time difference between Atlanta and Rockford is 1 hour. Rockford is 1 hour behind Atlanta.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 118 kg (260 pounds).
|A||Hartsfield–Jackson Atlanta International Airport|
|B||Chicago Rockford International Airport|
Atlanta to Rockford flight map.
Frequent Flyer Miles Calculator
Atlanta (ATL) → Rockford (RFD).