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How far is Eau Claire, WI, from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Eau Claire (Chippewa Valley Regional Airport) is 220 miles / 354 kilometers / 191 nautical miles.

The driving distance from Rockford (RFD) to Eau Claire (EAU) is 255 miles / 410 kilometers, and travel time by car is about 4 hours 53 minutes.

Chicago Rockford International Airport – Chippewa Valley Regional Airport

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220
Miles
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354
Kilometers
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191
Nautical miles

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Distance from Rockford to Eau Claire

There are several ways to calculate the distance from Rockford to Eau Claire. 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 Rockford to Eau Claire?

The estimated flight time from Chicago Rockford International Airport to Chippewa Valley Regional Airport is 54 minutes.

What is the time difference between Rockford and Eau Claire?

There is no time difference between Rockford and Eau Claire.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Chippewa Valley Regional Airport (EAU)

On average, flying from Rockford to Eau Claire 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 Rockford to Eau Claire

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Chippewa Valley Regional Airport (EAU).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Chippewa Valley Regional Airport
City: Eau Claire, WI
Country: United States Flag of United States
IATA Code: EAU
ICAO Code: KEAU
Coordinates: 44°51′56″N, 91°29′3″W