How far is Eau Claire, WI, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Eau Claire (Chippewa Valley Regional Airport) is 372 miles / 599 kilometers / 323 nautical miles.
The driving distance from Decatur (DEC) to Eau Claire (EAU) is 426 miles / 686 kilometers, and travel time by car is about 8 hours 4 minutes.
Decatur Airport – Chippewa Valley Regional Airport
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Distance from Decatur to Eau Claire
There are several ways to calculate the distance from Decatur to Eau Claire. 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 Decatur to Eau Claire?
The estimated flight time from Decatur Airport to Chippewa Valley Regional Airport is 1 hour and 12 minutes.
What is the time difference between Decatur and Eau Claire?
Flight carbon footprint between Decatur Airport (DEC) and Chippewa Valley Regional Airport (EAU)
On average, flying from Decatur to Eau Claire 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 Decatur to Eau Claire
See the map of the shortest flight path between Decatur Airport (DEC) and Chippewa Valley Regional Airport (EAU).
Airport information
Origin | Decatur Airport |
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City: | Decatur, IL |
Country: | United States ![]() |
IATA Code: | DEC |
ICAO Code: | KDEC |
Coordinates: | 39°50′4″N, 88°51′56″W |
Destination | Chippewa Valley Regional Airport |
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City: | Eau Claire, WI |
Country: | United States ![]() |
IATA Code: | EAU |
ICAO Code: | KEAU |
Coordinates: | 44°51′56″N, 91°29′3″W |