Miles between Rockwall, TX and Dumas, TX

There are
426 mi
from Rockwall, TX to Dumas, TX

That's the driving distance. It would take 7 hours 39 mins to go from Rockwall, Texas to Dumas, Texas.

The flight distance (direct flight from Rockwall, TX to Dumas, TX) is 373.93 mi.

426 mi = 685.11 kms