There are
2,195 mi
from Simi Valley, CA to Springdale, OH
That's the driving distance. It would take 1 day 15 hours to go from Simi Valley, California to Springdale, Ohio.
The flight distance (direct flight from Simi Valley, CA to Springdale, OH) is 1,917.55 mi.
2,195 mi = 3.22 kms