Miles between Costa Mesa, CA and Thornton, CO

There are
1,031 mi
from Costa Mesa, CA to Thornton, CO

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

The flight distance (direct flight from Costa Mesa, CA to Thornton, CO) is 834.66 mi.

1,031 mi = 1.61 kms