There are
3,050 mi
from New Bedford, MA to Seatac, WA
That's the driving distance. It would take 2 days 6 hours to go from New Bedford, Massachusetts to Seatac, Washington.
The flight distance (direct flight from New Bedford, MA to Seatac, WA) is 2,515.25 mi.
3,050 mi = 4,908.26 kms