There are
2,162 mi
from Temecula, CA to Dayton, OH
That's the driving distance. It would take 1 day 14 hours to go from Temecula, California to Dayton, Ohio.
The flight distance (direct flight from Temecula, CA to Dayton, OH) is 1,866.75 mi.
2,162 mi = 3,478.67 kms