There are
2,710 mi
from Roanoke, VA to Seatac, WA
That's the driving distance. It would take 2 days to go from Roanoke, Virginia to Seatac, Washington.
The flight distance (direct flight from Roanoke, VA to Seatac, WA) is 2,243.73 mi.
2,710 mi = 3.22 kms