Miles between San Clemente, CA and Thornton, CO

There are
1,042 mi
from San Clemente, CA to Thornton, CO

That's the driving distance. It would take 18 hours 21 mins to go from San Clemente, California to Thornton, Colorado.

The flight distance (direct flight from San Clemente, CA to Thornton, CO) is 828.82 mi.

1,042 mi = 1,676.43 kms