There are
2,307 mi
from Dayton, OH to Paso Robles, CA
That's the driving distance. It would take 1 day 17 hours to go from Dayton, Ohio to Paso Robles, California.
The flight distance (direct flight from Dayton, OH to Paso Robles, CA) is 2,001.91 mi.
2,307 mi = 3.22 kms