There are
2,948 mi
from Danbury, CT to Rohnert Park, CA
That's the driving distance. It would take 2 days 4 hours to go from Danbury, Connecticut to Rohnert Park, California.
The flight distance (direct flight from Danbury, CT to Rohnert Park, CA) is 2,584.92 mi.
2,948 mi = 4,745.01 kms