Miles between Tustin, CA and Boulder, CO

There are
1,024 mi
from Tustin, CA to Boulder, CO

That's the driving distance. It would take 18 hours 8 mins to go from Tustin, California to Boulder, Colorado.

The flight distance (direct flight from Tustin, CA to Boulder, CO) is 816.77 mi.

1,024 mi = 1.61 kms