There are
2,716 mi
from Yakima, WA to Cayce, SC
That's the driving distance. It would take 1 day 23 hours to go from Yakima, Washington to Cayce, South Carolina.
The flight distance (direct flight from Yakima, WA to Cayce, SC) is 2,225.70 mi.
2,716 mi = 3.22 kms