There are
1,736 mi
from Fremont, CA to Sioux City, IA
That's the driving distance. It would take 1 day 6 hours to go from Fremont, California to Sioux City, Iowa.
The flight distance (direct flight from Fremont, CA to Sioux City, IA) is 1,390.61 mi.
1,736 mi = 1.61 kms