There are
2,379 mi
from Simi Valley, CA to Twinsburg, OH
That's the driving distance. It would take 1 day 18 hours to go from Simi Valley, California to Twinsburg, Ohio.
The flight distance (direct flight from Simi Valley, CA to Twinsburg, OH) is 2,079.08 mi.
2,379 mi = 3.22 kms