There are
2,884 mi
from Norwalk, CT to Seatac, WA
That's the driving distance. It would take 2 days 3 hours to go from Norwalk, Connecticut to Seatac, Washington.
The flight distance (direct flight from Norwalk, CT to Seatac, WA) is 2,417.52 mi.
2,884 mi = 4,640.64 kms