# Distance between Louisville, KY (SDF) and Eau Claire, WI (EAU)

Flight distance from Louisville to Eau Claire (Louisville International Airport – Chippewa Valley Regional Airport) is 549 miles / 884 kilometers / 477 nautical miles. Estimated flight time is 1 hour 32 minutes.

Driving distance from Louisville (SDF) to Eau Claire (EAU) is 622 miles / 1001 kilometers and travel time by car is about 10 hours 58 minutes.

## Map of flight path and driving directions from Louisville to Eau Claire.

Shortest flight path between Louisville International Airport (SDF) and Chippewa Valley Regional Airport (EAU).

## How far is Eau Claire from Louisville?

There are several ways to calculate distances between Louisville and Eau Claire. Here are two common methods:

Vincenty's formula (applied above)
• 549.330 miles
• 884.061 kilometers
• 477.355 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
• 549.372 miles
• 884.129 kilometers
• 477.391 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 Louisville International Airport
City: Louisville, KY
Country: United States
IATA Code: SDF
ICAO Code: KSDF
Coordinates: 38°10′27″N, 85°44′9″W

B 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

## Time difference and current local times

The time difference between Louisville and Eau Claire is 1 hour. Eau Claire is 1 hour behind Louisville.

EDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 106 kg (233 pounds).

## Frequent Flyer Miles Calculator

Louisville (SDF) → Eau Claire (EAU).

Distance:
549
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
549

Round trip?