There are
2,115 mi
from Simi Valley, CA to St Matthews, KY
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to St Matthews, Kentucky.
The flight distance (direct flight from Simi Valley, CA to St Matthews, KY) is 1,856.56 mi.
2,115 mi = 3.22 kms