Miles between Boulder, CO and Brea, CA

There are
1,015 mi
from Boulder, CO to Brea, CA

That's the driving distance. It would take 17 hours 51 mins to go from Boulder, Colorado to Brea, California.

The flight distance (direct flight from Boulder, CO to Brea, CA) is 813.42 mi.

1,015 mi = 1.61 kms