There are
2,316 mi
from Dayton, OH to Arroyo Grande, CA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Arroyo Grande, California.
The flight distance (direct flight from Dayton, OH to Arroyo Grande, CA) is 2,008.41 mi.
2,316 mi = 3,727.18 kms