There are
1,600 mi
from Garden Grove, CA to South Sioux City, NE
That's the driving distance. It would take 1 day 4 hours to go from Garden Grove, California to South Sioux City, Nebraska.
The flight distance (direct flight from Garden Grove, CA to South Sioux City, NE) is 1,310.15 mi.
1,600 mi = 1.61 kms