There are
2,942 mi
from Danbury, CT to Petaluma, CA
That's the driving distance. It would take 2 days 3 hours to go from Danbury, Connecticut to Petaluma, California.
The flight distance (direct flight from Danbury, CT to Petaluma, CA) is 2,584.30 mi.
2,942 mi = 3.22 kms