There are
2,687 mi
from Rock Hill, SC to Palo Alto, CA
That's the driving distance. It would take 1 day 23 hours to go from Rock Hill, South Carolina to Palo Alto, California.
The flight distance (direct flight from Rock Hill, SC to Palo Alto, CA) is 2,281.49 mi.
2,687 mi = 3.22 kms