There are
640 mi
from Gulfport, MS to Tahlequah, OK
That's the driving distance. It would take 12 hours 38 mins to go from Gulfport, Mississippi to Tahlequah, Oklahoma.
The flight distance (direct flight from Gulfport, MS to Tahlequah, OK) is 512.17 mi.
640 mi = 1,030.01 kms