Miles between Sioux Falls, SD and Thornton, CO

There are
623 mi
from Sioux Falls, SD to Thornton, CO

That's the driving distance. It would take 11 hours 30 mins to go from Sioux Falls, South Dakota to Thornton, Colorado.

The flight distance (direct flight from Sioux Falls, SD to Thornton, CO) is 496.39 mi.

623 mi = 1,002.15 kms