There are
2,329 mi
from Parma, OH to Placentia, CA
That's the driving distance. It would take 1 day 17 hours to go from Parma, Ohio to Placentia, California.
The flight distance (direct flight from Parma, OH to Placentia, CA) is 2,029.09 mi.
2,329 mi = 3,748.84 kms