There are
2,157 mi
from Dayton, OH to Covina, CA
That's the driving distance. It would take 1 day 13 hours to go from Dayton, Ohio to Covina, California.
The flight distance (direct flight from Dayton, OH to Covina, CA) is 1,890.41 mi.
2,157 mi = 3,471.68 kms