Miles between Thornton, CO and Costa Mesa, CA

There are
1,028 mi
from Thornton, CO to Costa Mesa, CA

That's the driving distance. It would take 18 hours 2 mins to go from Thornton, Colorado to Costa Mesa, California.

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

1,028 mi = 1.61 kms