Miles between Thornton, CO and San Francisco, CA

There are
1,245 mi
from Thornton, CO to San Francisco, CA

That's the driving distance. It would take 21 hours 22 mins to go from Thornton, Colorado to San Francisco, California.

The flight distance (direct flight from Thornton, CO to San Francisco, CA) is 948.69 mi.

1,245 mi = 1.61 kms