There are
546 mi
from Gulfport, MS to Seagoville, TX
That's the driving distance. It would take 9 hours 51 mins to go from Gulfport, Mississippi to Seagoville, Texas.
The flight distance (direct flight from Gulfport, MS to Seagoville, TX) is 465.72 mi.
546 mi = 879.07 kms