Air Miles Calculator

Distance between Chicago, IL (MDW) and Eau Claire, WI (EAU)

Flight distance from Chicago to Eau Claire (Chicago Midway International Airport – Chippewa Valley Regional Airport) is 284 miles / 457 kilometers / 247 nautical miles. Estimated flight time is 1 hour 2 minutes.

Driving distance from Chicago (MDW) to Eau Claire (EAU) is 327 miles / 526 kilometers and travel time by car is about 5 hours 50 minutes.

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).

Airport information


A Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W

B 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

Time difference and current local times

There is no time difference between Chicago and Eau Claire.

Time Difference

Chicago, IL

 CST

Eau Claire, WI

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 67 kg (147 pounds).

Frequent Flyer Miles Calculator

Chicago (MDW) → Eau Claire (EAU).

Distance:
284
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
284

Round trip?