Map of flight path and driving directions from Chicago to Sioux City.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Sioux Gateway Airport (SUX).
How far is Sioux City from Chicago?
There are several ways to calculate distances between Chicago and Sioux City. Here are two common methods:Vincenty's formula (applied above)
- 436.034 miles
- 701.729 kilometers
- 378.903 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
- 434.896 miles
- 699.897 kilometers
- 377.914 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).
Time difference and current local times
There is no time difference between Chicago and Sioux City.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 89 kg (197 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Sioux City (SUX).