How far is Rockford, IL, from Eau Claire, WI?
The distance between Eau Claire (Chippewa Valley Regional Airport) and Rockford (Chicago Rockford International Airport) is 220 miles / 354 kilometers / 191 nautical miles.
The driving distance from Eau Claire (EAU) to Rockford (RFD) is 255 miles / 410 kilometers, and travel time by car is about 4 hours 42 minutes.
Chippewa Valley Regional Airport – Chicago Rockford International Airport
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Distance from Eau Claire to Rockford
There are several ways to calculate the distance from Eau Claire to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 219.892 miles
- 353.881 kilometers
- 191.081 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- 219.843 miles
- 353.803 kilometers
- 191.038 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 Eau Claire to Rockford?
The estimated flight time from Chippewa Valley Regional Airport to Chicago Rockford International Airport is 54 minutes.
What is the time difference between Eau Claire and Rockford?
There is no time difference between Eau Claire and Rockford.
Flight carbon footprint between Chippewa Valley Regional Airport (EAU) and Chicago Rockford International Airport (RFD)
On average, flying from Eau Claire to Rockford generates about 57 kg of CO2 per passenger, and 57 kilograms equals 126 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Eau Claire to Rockford
See the map of the shortest flight path between Chippewa Valley Regional Airport (EAU) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Chippewa Valley Regional Airport |
|---|---|
| City: | Eau Claire, WI |
| Country: | United States  |
| IATA Code: | EAU |
| ICAO Code: | KEAU |
| Coordinates: | 44°51′56″N, 91°29′3″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 |