There are
2,260 mi
from Upland, CA to Clemson, SC
That's the driving distance. It would take 1 day 15 hours to go from Upland, California to Clemson, South Carolina.
The flight distance (direct flight from Upland, CA to Clemson, SC) is 1,975.19 mi.
2,260 mi = 3,637.25 kms