There are
2,989 mi
from New Britain, CT to Petaluma, CA
That's the driving distance. It would take 2 days 4 hours to go from New Britain, Connecticut to Petaluma, California.
The flight distance (direct flight from New Britain, CT to Petaluma, CA) is 2,614.67 mi.
2,989 mi = 4,810.53 kms