Distance between Cedar Rapids, IA (CID) and Rockford, IL (RFD)
Flight distance from Cedar Rapids to Rockford (The Eastern Iowa Airport – Chicago Rockford International Airport) is 136 miles / 219 kilometers / 118 nautical miles. Estimated flight time is 45 minutes.
Driving distance from Cedar Rapids (CID) to Rockford (RFD) is 187 miles / 301 kilometers and travel time by car is about 3 hours 24 minutes.
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Multiple airports
Cedar Rapids - Rockford
Map of flight path and driving directions from Cedar Rapids to Rockford.
Shortest flight path between The Eastern Iowa Airport (CID) and Chicago Rockford International Airport (RFD).
How far is Rockford from Cedar Rapids?
There are several ways to calculate distances between Cedar Rapids and Rockford. Here are two common methods:
Vincenty's formula (applied above)- 136.160 miles
- 219.128 kilometers
- 118.320 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- 135.816 miles
- 218.575 kilometers
- 118.021 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 | The Eastern Iowa Airport |
|---|---|
| City: | Cedar Rapids, IA |
| Country: | United States  |
| IATA Code: | CID |
| ICAO Code: | KCID |
| Coordinates: | 41°53′4″N, 91°42′38″W |
| B | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |
Time difference and current local times
There is no time difference between Cedar Rapids and Rockford.
Time Difference
Cedar Rapids, IA
Rockford, IL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 45 kg (99 pounds).
Frequent Flyer Miles Calculator
Cedar Rapids (CID) → Rockford (RFD).
In total
Round trip?