Map of flight path and driving directions from Indianapolis to Rockford.
Shortest flight path between Indianapolis International Airport (IND) and Chicago Rockford International Airport (RFD).
How far is Rockford from Indianapolis?
There are several ways to calculate distances between Indianapolis and Rockford. Here are two common methods:Vincenty's formula (applied above)
- 225.228 miles
- 362.469 kilometers
- 195.718 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
- 225.150 miles
- 362.345 kilometers
- 195.650 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).
Time difference and current local times
The time difference between Indianapolis and Rockford is 1 hour. Rockford is 1 hour behind Indianapolis.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 58 kg (128 pounds).
Frequent Flyer Miles Calculator
Indianapolis (IND) → Rockford (RFD).