There are
1,869 mi
from Simi Valley, CA to Zachary, LA
That's the driving distance. It would take 1 day 8 hours to go from Simi Valley, California to Zachary, Louisiana.
The flight distance (direct flight from Simi Valley, CA to Zachary, LA) is 1,624.70 mi.
1,869 mi = 1.61 kms