There are
2,179 mi
from Dayton, OH to Montebello, CA
That's the driving distance. It would take 1 day 14 hours to go from Dayton, Ohio to Montebello, California.
The flight distance (direct flight from Dayton, OH to Montebello, CA) is 1,904.20 mi.
2,179 mi = 3.22 kms