Miles between Iowa City, IA and Castle Rock, CO

There are
815 mi
from Iowa City, IA to Castle Rock, CO

That's the driving distance. It would take 14 hours 11 mins to go from Iowa City, Iowa to Castle Rock, Colorado.

The flight distance (direct flight from Iowa City, IA to Castle Rock, CO) is 716.80 mi.

815 mi = 1,311.44 kms