There are
2,384 mi
from Simi Valley, CA to Tallmadge, OH
That's the driving distance. It would take 1 day 18 hours to go from Simi Valley, California to Tallmadge, Ohio.
The flight distance (direct flight from Simi Valley, CA to Tallmadge, OH) is 2,078.73 mi.
2,384 mi = 3.22 kms