There are
2,714 mi
from The Dalles, OR to Cayce, SC
That's the driving distance. It would take 1 day 23 hours to go from The Dalles, Oregon to Cayce, South Carolina.
The flight distance (direct flight from The Dalles, OR to Cayce, SC) is 2,248.30 mi.
2,714 mi = 4,368.04 kms