There are
2,256 mi
from Simi Valley, CA to Marysville, OH
That's the driving distance. It would take 1 day 16 hours to go from Simi Valley, California to Marysville, Ohio.
The flight distance (direct flight from Simi Valley, CA to Marysville, OH) is 1,977.05 mi.
2,256 mi = 3.22 kms