There are
2,828 mi
from Rock Hill, SC to Marysville, WA
That's the driving distance. It would take 2 days 2 hours to go from Rock Hill, South Carolina to Marysville, Washington.
The flight distance (direct flight from Rock Hill, SC to Marysville, WA) is 2,281.48 mi.
2,828 mi = 3.22 kms