Miles between Thornton, CO and San Anselmo, CA

There are
1,243 mi
from Thornton, CO to San Anselmo, CA

That's the driving distance. It would take 21 hours 20 mins to go from Thornton, Colorado to San Anselmo, California.

The flight distance (direct flight from Thornton, CO to San Anselmo, CA) is 952.98 mi.

1,243 mi = 1.61 kms