There are
2,302 mi
from Dayton, OH to Paso Robles, CA
That's the driving distance. It would take 1 day 16 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.
2,302 mi = 3,705.31 kms