Miles between Thornton, CO and Antioch, CA

There are
1,218 mi
from Thornton, CO to Antioch, CA

That's the driving distance. It would take 21 hours to go from Thornton, Colorado to Antioch, California.

The flight distance (direct flight from Thornton, CO to Antioch, CA) is 912.44 mi.

1,218 mi = 1.61 kms