There are
748 mi
from Tinley Park, IL to Middletown, DE
That's the driving distance. It would take 14 hours 24 mins to go from Tinley Park, Illinois to Middletown, Delaware.
The flight distance (direct flight from Tinley Park, IL to Middletown, DE) is 650.11 mi.
748 mi = 1,204.57 kms