Miles between Downey, CA and Castle Rock, CO

There are
1,041 mi
from Downey, CA to Castle Rock, CO

That's the driving distance. It would take 18 hours 16 mins to go from Downey, California to Castle Rock, Colorado.

The flight distance (direct flight from Downey, CA to Castle Rock, CO) is 824.94 mi.

1,041 mi = 1.61 kms