There are
1,932 mi
from Tinley Park, IL to Hermiston, OR
That's the driving distance. It would take 1 day 9 hours to go from Tinley Park, Illinois to Hermiston, Oregon.
The flight distance (direct flight from Tinley Park, IL to Hermiston, OR) is 1,590.14 mi.
1,932 mi = 3,109.18 kms