How far is Rockford, IL, from Cedar Rapids, IA?
The distance between Cedar Rapids (The Eastern Iowa Airport) and Rockford (Chicago Rockford International Airport) is 136 miles / 219 kilometers / 118 nautical miles.
The driving distance from Cedar Rapids (CID) to Rockford (RFD) is 187 miles / 301 kilometers, and travel time by car is about 3 hours 37 minutes.
The Eastern Iowa Airport – Chicago Rockford International Airport
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Distance from Cedar Rapids to Rockford
There are several ways to calculate the distance from Cedar Rapids to Rockford. Here are two standard 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 planet.
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).
How long does it take to fly from Cedar Rapids to Rockford?
The estimated flight time from The Eastern Iowa Airport to Chicago Rockford International Airport is 45 minutes.
What is the time difference between Cedar Rapids and Rockford?
There is no time difference between Cedar Rapids and Rockford.
Flight carbon footprint between The Eastern Iowa Airport (CID) and Chicago Rockford International Airport (RFD)
On average, flying from Cedar Rapids to Rockford generates about 45 kg of CO2 per passenger, and 45 kilograms equals 99 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Cedar Rapids to Rockford
See the map of the shortest flight path between The Eastern Iowa Airport (CID) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | 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 |
| Destination | 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 |