There are
2,245 mi
from Dayton, OH to Porterville, CA
That's the driving distance. It would take 1 day 15 hours to go from Dayton, Ohio to Porterville, California.
The flight distance (direct flight from Dayton, OH to Porterville, CA) is 1,903.37 mi.
2,245 mi = 3,613.45 kms