There are
1,223 mi
from Tinley Park, IL to Leon Valley, TX
That's the driving distance. It would take 21 hours 33 mins to go from Tinley Park, Illinois to Leon Valley, Texas.
The flight distance (direct flight from Tinley Park, IL to Leon Valley, TX) is 1,031.33 mi.
1,223 mi = 1,967.66 kms