There are
2,766 mi
from Gastonia, NC to Sammamish, WA
That's the driving distance. It would take 2 days 1 hour to go from Gastonia, North Carolina to Sammamish, Washington.
The flight distance (direct flight from Gastonia, NC to Sammamish, WA) is 2,252.25 mi.
2,766 mi = 3.22 kms