Miles between Boulder, CO and Tustin, CA

There are
1,025 mi
from Boulder, CO to Tustin, CA

That's the driving distance. It would take 18 hours 5 mins to go from Boulder, Colorado to Tustin, California.

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

1,025 mi = 1.61 kms