There are
2,033 mi
from Simi Valley, CA to Midlothian, IL
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Midlothian, Illinois.
The flight distance (direct flight from Simi Valley, CA to Midlothian, IL) is 1,756.36 mi.
2,033 mi = 3.22 kms