Miles between Thornton, CO and Brea, CA

There are
1,011 mi
from Thornton, CO to Brea, CA

That's the driving distance. It would take 17 hours 39 mins to go from Thornton, Colorado to Brea, California.

The flight distance (direct flight from Thornton, CO to Brea, CA) is 823.05 mi.

1,011 mi = 1.61 kms