Miles between Sioux City, IA and Thornton, CO

There are
583 mi
from Sioux City, IA to Thornton, CO

That's the driving distance. It would take 10 hours 32 mins to go from Sioux City, Iowa to Thornton, Colorado.

The flight distance (direct flight from Sioux City, IA to Thornton, CO) is 481.11 mi.

583 mi = 937.70 kms