There are
1,593 mi
from Fullerton, CA to Sioux City, IA
That's the driving distance. It would take 1 day 4 hours to go from Fullerton, California to Sioux City, Iowa.
The flight distance (direct flight from Fullerton, CA to Sioux City, IA) is 1,307.07 mi.
1,593 mi = 1.61 kms