There are
2,926 mi
from North Charleston, SC to Sammamish, WA
That's the driving distance. It would take 2 days 4 hours to go from North Charleston, South Carolina to Sammamish, Washington.
The flight distance (direct flight from North Charleston, SC to Sammamish, WA) is 2,406.83 mi.
2,926 mi = 4,708.75 kms