How far is Cedar Rapids, IA, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Cedar Rapids (The Eastern Iowa Airport) is 136 miles / 219 kilometers / 118 nautical miles.
The driving distance from Rockford (RFD) to Cedar Rapids (CID) is 186 miles / 300 kilometers, and travel time by car is about 3 hours 38 minutes.
Chicago Rockford International Airport – The Eastern Iowa Airport
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Distance from Rockford to Cedar Rapids
There are several ways to calculate the distance from Rockford to Cedar Rapids. 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 Rockford to Cedar Rapids?
The estimated flight time from Chicago Rockford International Airport to The Eastern Iowa Airport is 45 minutes.
What is the time difference between Rockford and Cedar Rapids?
There is no time difference between Rockford and Cedar Rapids.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and The Eastern Iowa Airport (CID)
On average, flying from Rockford to Cedar Rapids 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 Rockford to Cedar Rapids
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and The Eastern Iowa Airport (CID).
Airport information
| Origin | 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 |
| Destination | 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 |