Miles between Fremont, CA and Castle Rock, CO

There are
1,300 mi
from Fremont, CA to Castle Rock, CO

That's the driving distance. It would take 22 hours 27 mins to go from Fremont, California to Castle Rock, Colorado.

The flight distance (direct flight from Fremont, CA to Castle Rock, CO) is 934.03 mi.

1,300 mi = 1.61 kms