There are
2,432 mi
from Simi Valley, CA to Rock Hill, SC
That's the driving distance. It would take 1 day 19 hours to go from Simi Valley, California to Rock Hill, South Carolina.
The flight distance (direct flight from Simi Valley, CA to Rock Hill, SC) is 2,134.94 mi.
2,432 mi = 3.22 kms