There are
2,140 mi
from Dayton, OH to Rialto, CA
That's the driving distance. It would take 1 day 13 hours to go from Dayton, Ohio to Rialto, California.
The flight distance (direct flight from Dayton, OH to Rialto, CA) is 1,862.38 mi.
2,140 mi = 3.22 kms