There are
2,387 mi
from Downey, CA to Cayce, SC
That's the driving distance. It would take 1 day 17 hours to go from Downey, California to Cayce, South Carolina.
The flight distance (direct flight from Downey, CA to Cayce, SC) is 2,112.08 mi.
2,387 mi = 3.22 kms