There are
2,427 mi
from Parma, OH to Lathrop, CA
That's the driving distance. It would take 1 day 18 hours to go from Parma, Ohio to Lathrop, California.
The flight distance (direct flight from Parma, OH to Lathrop, CA) is 2,101.46 mi.
2,427 mi = 3.22 kms