How far is Decatur, IL, from Eau Claire, WI?
The distance between Eau Claire (Chippewa Valley Regional Airport) and Decatur (Decatur Airport) is 372 miles / 599 kilometers / 323 nautical miles.
The driving distance from Eau Claire (EAU) to Decatur (DEC) is 424 miles / 682 kilometers, and travel time by car is about 7 hours 52 minutes.
Chippewa Valley Regional Airport – Decatur Airport
Search flights
Distance from Eau Claire to Decatur
There are several ways to calculate the distance from Eau Claire to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 372.188 miles
- 598.979 kilometers
- 323.423 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- 372.397 miles
- 599.314 kilometers
- 323.604 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 Decatur?
The estimated flight time from Chippewa Valley Regional Airport to Decatur Airport is 1 hour and 12 minutes.
What is the time difference between Eau Claire and Decatur?
Flight carbon footprint between Chippewa Valley Regional Airport (EAU) and Decatur Airport (DEC)
On average, flying from Eau Claire to Decatur generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 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 Decatur
See the map of the shortest flight path between Chippewa Valley Regional Airport (EAU) and Decatur Airport (DEC).
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 | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |