Miles between Garland, TX and Castle Rock, CO

There are
770 mi
from Garland, TX to Castle Rock, CO

That's the driving distance. It would take 13 hours 58 mins to go from Garland, Texas to Castle Rock, Colorado.

The flight distance (direct flight from Garland, TX to Castle Rock, CO) is 639.30 mi.

770 mi = 1,239.92 kms