Map of flight path and driving directions from St Louis to Eau Claire.
Shortest flight path between St. Louis Lambert International Airport (STL) and Chippewa Valley Regional Airport (EAU).
How far is Eau Claire from St Louis?
There are several ways to calculate distances between St Louis and Eau Claire. Here are two common methods:Vincenty's formula (applied above)
- 426.065 miles
- 685.685 kilometers
- 370.240 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
- 426.517 miles
- 686.413 kilometers
- 370.633 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 St Louis and Eau Claire.
St Louis, MO
Eau Claire, WI
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 88 kg (193 pounds).
Frequent Flyer Miles Calculator
St Louis (STL) → Eau Claire (EAU).