Miles between Thornton, CO and Atascadero, CA

There are
1,158 mi
from Thornton, CO to Atascadero, CA

That's the driving distance. It would take 20 hours 36 mins to go from Thornton, Colorado to Atascadero, California.

The flight distance (direct flight from Thornton, CO to Atascadero, CA) is 908.73 mi.

1,158 mi = 1.61 kms