There are
2,050 mi
from Thousand Oaks, CA to Chicago Heights, IL
That's the driving distance. It would take 1 day 12 hours to go from Thousand Oaks, California to Chicago Heights, Illinois.
The flight distance (direct flight from Thousand Oaks, CA to Chicago Heights, IL) is 1,765.56 mi.
2,050 mi = 3.22 kms