There are
1,581 mi
from Lancaster, CA to South Sioux City, NE
That's the driving distance. It would take 1 day 3 hours to go from Lancaster, California to South Sioux City, Nebraska.
The flight distance (direct flight from Lancaster, CA to South Sioux City, NE) is 1,286.65 mi.
1,581 mi = 1.61 kms