Distance between Sioux City, IA (SUX) and Champaign, IL (CMI)
Distance from Sioux City to Champaign (Sioux Gateway Airport – University of Illinois Willard Airport) is 453 miles / 728 kilometers / 393 nautical miles.
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Sioux City - Champaign
How far is Champaign from Sioux City?
There are several ways to calculate distances between Sioux City and Champaign. Here are two common methods:
Vincenty's formula (applied above)- 452.532 miles
- 728.280 kilometers
- 393.240 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- 451.593 miles
- 726.769 kilometers
- 392.424 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 Sioux Gateway Airport (SUX) to University of Illinois Willard Airport (CMI) is 1 hour 21 minutes.
Time difference and current local times
There is no time difference between Sioux City and Champaign.
Time Difference
Sioux City, IA
Champaign, IL
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 92 kg (203 pounds).
Airport information
| A | Sioux Gateway Airport |
|---|---|
| City: | Sioux City, IA |
| Country: | United States  |
| IATA Code: | SUX |
| ICAO Code: | KSUX |
| Coordinates: | 42°24′9″N, 96°23′3″W |
| B | 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 |
Map
Sioux City to Champaign flight map.
Frequent Flyer Miles Calculator
Sioux City (SUX) → Champaign (CMI).
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