There are
2,359 mi
from Simi Valley, CA to Parma, OH
That's the driving distance. It would take 1 day 17 hours to go from Simi Valley, California to Parma, Ohio.
The flight distance (direct flight from Simi Valley, CA to Parma, OH) is 2,064.58 mi.
2,359 mi = 3.22 kms