Miles between Thornton, CO and Antioch, CA

There are
1,216 mi
from Thornton, CO to Antioch, CA

That's the driving distance. It would take 21 hours 1 min to go from Thornton, Colorado to Antioch, California.

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

1,216 mi = 1,957.63 kms