Miles between San Diego, CA and Thornton, CO

There are
1,085 mi
from San Diego, CA to Thornton, CO

That's the driving distance. It would take 19 hours 4 mins to go from San Diego, California to Thornton, Colorado.

The flight distance (direct flight from San Diego, CA to Thornton, CO) is 838.18 mi.

1,085 mi = 1.61 kms