There are
2,144 mi
from Redlands, CA to Dayton, OH
That's the driving distance. It would take 1 day 13 hours to go from Redlands, California to Dayton, Ohio.
The flight distance (direct flight from Redlands, CA to Dayton, OH) is 1,853.76 mi.
2,144 mi = 3,449.70 kms