Miles between Carlsbad, CA and Boulder, CO

There are
1,064 mi
from Carlsbad, CA to Boulder, CO

That's the driving distance. It would take 18 hours 56 mins to go from Carlsbad, California to Boulder, Colorado.

The flight distance (direct flight from Carlsbad, CA to Boulder, CO) is 819.50 mi.

1,064 mi = 1.61 kms