There are
1,600 mi
from Irvine, CA to Sioux City, IA
That's the driving distance. It would take 1 day 4 hours to go from Irvine, California to Sioux City, Iowa.
The flight distance (direct flight from Irvine, CA to Sioux City, IA) is 1,308.02 mi.
1,600 mi = 1.61 kms