Miles between Boulder, CO and Carlsbad, CA

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

That's the driving distance. It would take 18 hours 52 mins to go from Boulder, Colorado to Carlsbad, California.

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

1,064 mi = 1.61 kms