There are
2,924 mi
from Antioch, CA to Danbury, CT
That's the driving distance. It would take 2 days 3 hours to go from Antioch, California to Danbury, Connecticut.
The flight distance (direct flight from Antioch, CA to Danbury, CT) is 2,547.69 mi.
2,924 mi = 4,705.24 kms