There are
2,572 mi
from Hattiesburg, MS to Seatac, WA
That's the driving distance. It would take 1 day 21 hours to go from Hattiesburg, Mississippi to Seatac, Washington.
The flight distance (direct flight from Hattiesburg, MS to Seatac, WA) is 2,062.76 mi.
2,572 mi = 4,138.84 kms