There are
2,323 mi
from Dayton, OH to Grover Beach, CA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Grover Beach, California.
The flight distance (direct flight from Dayton, OH to Grover Beach, CA) is 2,009.93 mi.
2,323 mi = 3.22 kms