There are
2,427 mi
from Parma, OH to Oakley, CA
That's the driving distance. It would take 1 day 18 hours to go from Parma, Ohio to Oakley, California.
The flight distance (direct flight from Parma, OH to Oakley, CA) is 2,119.87 mi.
2,427 mi = 3,906.40 kms