There are
2,261 mi
from Clemson, SC to Poway, CA
That's the driving distance. It would take 1 day 15 hours to go from Clemson, South Carolina to Poway, California.
The flight distance (direct flight from Clemson, SC to Poway, CA) is 1,957.20 mi.
2,261 mi = 3,638.48 kms