Map of flight path and driving directions from Sioux City to Chicago.
Shortest flight path between Sioux Gateway Airport (SUX) and Chicago O'Hare International Airport (ORD).
How far is Chicago from Sioux City?
There are several ways to calculate distances between Sioux City and Chicago. 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 Sioux City and Chicago.
Sioux City, IA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 89 kg (197 pounds).
Frequent Flyer Miles Calculator
Sioux City (SUX) → Chicago (ORD).