There are
2,404 mi
from Dayton, OH to Healdsburg, CA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Healdsburg, California.
The flight distance (direct flight from Dayton, OH to Healdsburg, CA) is 2,056.70 mi.
2,404 mi = 3.22 kms