There are
1,746 mi
from San Jose, CA to South Sioux City, NE
That's the driving distance. It would take 1 day 6 hours to go from San Jose, California to South Sioux City, Nebraska.
The flight distance (direct flight from San Jose, CA to South Sioux City, NE) is 1,390.53 mi.
1,746 mi = 1.61 kms