There are
1,689 mi
from Vallejo, CA to Sioux City, IA
That's the driving distance. It would take 1 day 5 hours to go from Vallejo, California to Sioux City, Iowa.
The flight distance (direct flight from Vallejo, CA to Sioux City, IA) is 1,390.12 mi.
1,689 mi = 1.61 kms