There are
2,480 mi
from Parma, OH to Redwood City, CA
That's the driving distance. It would take 1 day 19 hours to go from Parma, Ohio to Redwood City, California.
The flight distance (direct flight from Parma, OH to Redwood City, CA) is 2,158.71 mi.
2,480 mi = 3.22 kms