There are
1,556 mi
from Fontana, CA to Sioux City, IA
That's the driving distance. It would take 1 day 3 hours to go from Fontana, California to Sioux City, Iowa.
The flight distance (direct flight from Fontana, CA to Sioux City, IA) is 1,275.20 mi.
1,556 mi = 1.61 kms