There are
1,578 mi
from Sioux City, IA to Glendora, CA
That's the driving distance. It would take 1 day 3 hours to go from Sioux City, Iowa to Glendora, California.
The flight distance (direct flight from Sioux City, IA to Glendora, CA) is 1,294.16 mi.
1,578 mi = 1.61 kms