How far is St Louis, MO, from Eau Claire, WI?
The distance between Eau Claire (Chippewa Valley Regional Airport) and St Louis (St. Louis Lambert International Airport) is 426 miles / 686 kilometers / 370 nautical miles.
The driving distance from Eau Claire (EAU) to St Louis (STL) is 541 miles / 871 kilometers, and travel time by car is about 9 hours 53 minutes.
Chippewa Valley Regional Airport – St. Louis Lambert International Airport
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Distance from Eau Claire to St Louis
There are several ways to calculate the distance from Eau Claire to St Louis. Here are two standard 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 planet.
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).
How long does it take to fly from Eau Claire to St Louis?
The estimated flight time from Chippewa Valley Regional Airport to St. Louis Lambert International Airport is 1 hour and 18 minutes.
What is the time difference between Eau Claire and St Louis?
There is no time difference between Eau Claire and St Louis.
Flight carbon footprint between Chippewa Valley Regional Airport (EAU) and St. Louis Lambert International Airport (STL)
On average, flying from Eau Claire to St Louis generates about 88 kg of CO2 per passenger, and 88 kilograms equals 193 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Eau Claire to St Louis
See the map of the shortest flight path between Chippewa Valley Regional Airport (EAU) and St. Louis Lambert International Airport (STL).
Airport information
| Origin | 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 |
| Destination | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |