Map of flight path and driving directions from Chicago to Eau Claire.
Shortest flight path between Chicago Midway International Airport (MDW) and Chippewa Valley Regional Airport (EAU).
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)
- 283.797 miles
- 456.727 kilometers
- 246.613 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
- 283.600 miles
- 456.410 kilometers
- 246.442 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).
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 67 kg (147 pounds).
Frequent Flyer Miles Calculator
Chicago (MDW) → Eau Claire (EAU).