Miles between Fullerton, CA and Boulder, CO

There are
1,018 mi
from Fullerton, CA to Boulder, CO

That's the driving distance. It would take 18 hours 1 min to go from Fullerton, California to Boulder, Colorado.

The flight distance (direct flight from Fullerton, CA to Boulder, CO) is 816.43 mi.

1,018 mi = 1.61 kms