There are
1,732 mi
from Sioux City, IA to Campbell, CA
That's the driving distance. It would take 1 day 6 hours to go from Sioux City, Iowa to Campbell, California.
The flight distance (direct flight from Sioux City, IA to Campbell, CA) is 1,395.57 mi.
1,732 mi = 2,788.04 kms