Air Miles Calculator

Distance between Sioux City, IA (SUX) and Champaign, IL (CMI)

Flight distance from Sioux City to Champaign (Sioux Gateway Airport – University of Illinois Willard Airport) is 453 miles / 728 kilometers / 393 nautical miles. Estimated flight time is 1 hour 21 minutes.

Driving distance from Sioux City (SUX) to Champaign (CMI) is 551 miles / 887 kilometers and travel time by car is about 9 hours 31 minutes.

Map of flight path and driving directions from Sioux City to Champaign.

Shortest flight path between Sioux Gateway Airport (SUX) and University of Illinois Willard Airport (CMI).

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).

Airport information


A Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of 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 Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W

Time difference and current local times

There is no time difference between Sioux City and Champaign.

Time Difference

Sioux City, IA

 CST

Champaign, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 92 kg (202 pounds).

Frequent Flyer Miles Calculator

Sioux City (SUX) → Champaign (CMI).

Distance:
453
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
453

Round trip?