There are
1,991 mi
from Tinley Park, IL to Monrovia, CA
That's the driving distance. It would take 1 day 10 hours to go from Tinley Park, Illinois to Monrovia, California.
The flight distance (direct flight from Tinley Park, IL to Monrovia, CA) is 1,716.36 mi.
1,991 mi = 3,204.15 kms