There are
2,152 mi
from Dayton, OH to San Jacinto, CA
That's the driving distance. It would take 1 day 13 hours to go from Dayton, Ohio to San Jacinto, California.
The flight distance (direct flight from Dayton, OH to San Jacinto, CA) is 1,848.97 mi.
2,152 mi = 3.22 kms