Miles between Sioux Falls, SD and Castle Rock, CO

There are
660 mi
from Sioux Falls, SD to Castle Rock, CO

That's the driving distance. It would take 12 hours 7 mins to go from Sioux Falls, South Dakota to Castle Rock, Colorado.

The flight distance (direct flight from Sioux Falls, SD to Castle Rock, CO) is 511.13 mi.

660 mi = 1,062.39 kms