There are
2,829 mi
from Clifton, NJ to Seatac, WA
That's the driving distance. It would take 2 days 2 hours to go from Clifton, New Jersey to Seatac, Washington.
The flight distance (direct flight from Clifton, NJ to Seatac, WA) is 2,390.75 mi.
2,829 mi = 3.22 kms