There are
2,374 mi
from Dayton, OH to Petaluma, CA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Petaluma, California.
The flight distance (direct flight from Dayton, OH to Petaluma, CA) is 2,051.28 mi.
2,374 mi = 3.22 kms