Miles between Antioch, CA and Boulder, CO

There are
1,217 mi
from Antioch, CA to Boulder, CO

That's the driving distance. It would take 21 hours 6 mins to go from Antioch, California to Boulder, Colorado.

The flight distance (direct flight from Antioch, CA to Boulder, CO) is 897.19 mi.

1,217 mi = 1.61 kms