There are
489 mi
from Tinley Park, IL to Dunkirk, NY
That's the driving distance. It would take 9 hours 18 mins to go from Tinley Park, Illinois to Dunkirk, New York.
The flight distance (direct flight from Tinley Park, IL to Dunkirk, NY) is 438.03 mi.
489 mi = 787.61 kms