There are
2,027 mi
from Simi Valley, CA to Tinley Park, IL
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Tinley Park, Illinois.
The flight distance (direct flight from Simi Valley, CA to Tinley Park, IL) is 1,752.52 mi.
2,027 mi = 3.22 kms