There are
2,106 mi
from Grand Rapids, MI to Seatac, WA
That's the driving distance. It would take 1 day 13 hours to go from Grand Rapids, Michigan to Seatac, Washington.
The flight distance (direct flight from Grand Rapids, MI to Seatac, WA) is 1,793.82 mi.
2,106 mi = 3.22 kms