There are
1,011 mi
from Tinley Park, IL to Dumas, TX
That's the driving distance. It would take 18 hours 52 mins to go from Tinley Park, Illinois to Dumas, Texas.
The flight distance (direct flight from Tinley Park, IL to Dumas, TX) is 859.05 mi.
1,011 mi = 1,627.46 kms