There are
2,830 mi
from Trenton, NJ to Seatac, WA
That's the driving distance. It would take 2 days 2 hours to go from Trenton, New Jersey to Seatac, Washington.
The flight distance (direct flight from Trenton, NJ to Seatac, WA) is 2,384.58 mi.
2,830 mi = 3.22 kms