How far is Eau Claire from Chicago?
There are several ways to calculate distances between Chicago and Eau Claire. Here are two common methods:Vincenty's formula (applied above)
- 268.587 miles
- 432.249 kilometers
- 233.396 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
- 268.387 miles
- 431.928 kilometers
- 233.222 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).
Estimated flight time from O'Hare International Airport (ORD) to Chippewa Valley Regional Airport (EAU) is 1 hour 0 minutes.
Time difference and current local times
There is no time difference between Chicago and Eau Claire.
Eau Claire, WI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 62 kg (137 pounds).
Chicago to Eau Claire flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Eau Claire (EAU).