There are
2,875 mi
from Danbury, CT to Ventura, CA
That's the driving distance. It would take 2 days 3 hours to go from Danbury, Connecticut to Ventura, California.
The flight distance (direct flight from Danbury, CT to Ventura, CA) is 2,515.93 mi.
2,875 mi = 4,626.42 kms