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How far is Sioux City, IA, from Champaign, IL?

The distance between Champaign (University of Illinois Willard Airport) and Sioux City (Sioux Gateway Airport) is 453 miles / 728 kilometers / 393 nautical miles.

The driving distance from Champaign (CMI) to Sioux City (SUX) is 552 miles / 888 kilometers, and travel time by car is about 10 hours 6 minutes.

University of Illinois Willard Airport – Sioux Gateway Airport

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453
Miles
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728
Kilometers
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393
Nautical miles

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Distance from Champaign to Sioux City

There are several ways to calculate the distance from Champaign to Sioux City. Here are two standard 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 planet.

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).

How long does it take to fly from Champaign to Sioux City?

The estimated flight time from University of Illinois Willard Airport to Sioux Gateway Airport is 1 hour and 21 minutes.

What is the time difference between Champaign and Sioux City?

There is no time difference between Champaign and Sioux City.

Flight carbon footprint between University of Illinois Willard Airport (CMI) and Sioux Gateway Airport (SUX)

On average, flying from Champaign to Sioux City generates about 92 kg of CO2 per passenger, and 92 kilograms equals 202 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Sioux Gateway Airport (SUX).

Airport information

Origin 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
Destination 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