How far is Champaign, IL, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Champaign (University of Illinois Willard Airport) is 34 miles / 55 kilometers / 30 nautical miles.
The driving distance from Decatur (DEC) to Champaign (CMI) is 55 miles / 88 kilometers, and travel time by car is about 1 hour 11 minutes.
Decatur Airport – University of Illinois Willard Airport
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Distance from Decatur to Champaign
There are several ways to calculate the distance from Decatur to Champaign. Here are two standard methods:
Vincenty's formula (applied above)- 34.252 miles
- 55.122 kilometers
- 29.764 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- 34.189 miles
- 55.022 kilometers
- 29.709 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 Champaign?
The estimated flight time from Decatur Airport to University of Illinois Willard Airport is 33 minutes.
What is the time difference between Decatur and Champaign?
Flight carbon footprint between Decatur Airport (DEC) and University of Illinois Willard Airport (CMI)
On average, flying from Decatur to Champaign generates about 30 kg of CO2 per passenger, and 30 kilograms equals 66 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 Champaign
See the map of the shortest flight path between Decatur Airport (DEC) and University of Illinois Willard Airport (CMI).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | University of Illinois Willard Airport |
|---|---|
| City: | Champaign, IL |
| Country: | United States |
| IATA Code: | CMI |
| ICAO Code: | KCMI |
| Coordinates: | 40°2′21″N, 88°16′41″W |