There are
2,361 mi
from Missoula, MT to Cayce, SC
That's the driving distance. It would take 1 day 17 hours to go from Missoula, Montana to Cayce, South Carolina.
The flight distance (direct flight from Missoula, MT to Cayce, SC) is 1,929.26 mi.
2,361 mi = 3.22 kms