There are
2,351 mi
from Middletown, OH to Oakley, CA
That's the driving distance. It would take 1 day 17 hours to go from Middletown, Ohio to Oakley, California.
The flight distance (direct flight from Middletown, OH to Oakley, CA) is 1,998.79 mi.
2,351 mi = 3,784.03 kms