Air Miles Calculator

Distance between St Louis, MO (STL) and Eau Claire, WI (EAU)

Distance from St Louis to Eau Claire (St. Louis Lambert International Airport – Chippewa Valley Regional Airport) is 426 miles / 686 kilometers / 370 nautical miles.

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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to Chippewa Valley Regional Airport (EAU) is 1 hour 18 minutes.

Time difference and current local times

There is no time difference between St Louis and Eau Claire.

Time Difference

St Louis
Eau Claire

St Louis, MO

 CST

Eau Claire, WI

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 88 kg (193 pounds).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″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

Map

St Louis to Eau Claire flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Eau Claire (EAU).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
426
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
426

Round trip?