There are
2,323 mi
from Parma, OH to Monrovia, CA
That's the driving distance. It would take 1 day 16 hours to go from Parma, Ohio to Monrovia, California.
The flight distance (direct flight from Parma, OH to Monrovia, CA) is 2,027.88 mi.
2,323 mi = 3.22 kms