Miles between Thornton, CO and Clearlake, CA

There are
1,222 mi
from Thornton, CO to Clearlake, CA

That's the driving distance. It would take 21 hours 24 mins to go from Thornton, Colorado to Clearlake, California.

The flight distance (direct flight from Thornton, CO to Clearlake, CA) is 942.94 mi.

1,222 mi = 1.61 kms