There are
505 mi
from Poplar Bluff, MO to Forney, TX
That's the driving distance. It would take 8 hours 59 mins to go from Poplar Bluff, Missouri to Forney, Texas.
The flight distance (direct flight from Poplar Bluff, MO to Forney, TX) is 442.33 mi.
505 mi = 813.01 kms