There are
1,562 mi
from Upland, CA to South Sioux City, NE
That's the driving distance. It would take 1 day 3 hours to go from Upland, California to South Sioux City, Nebraska.
The flight distance (direct flight from Upland, CA to South Sioux City, NE) is 1,283.83 mi.
1,562 mi = 1.61 kms