There are
1,590 mi
from Fullerton, CA to South Sioux City, NE
That's the driving distance. It would take 1 day 4 hours to go from Fullerton, California to South Sioux City, Nebraska.
The flight distance (direct flight from Fullerton, CA to South Sioux City, NE) is 1,305.71 mi.
1,590 mi = 1.61 kms