There are
1,938 mi
from Simi Valley, CA to Taylorville, IL
That's the driving distance. It would take 1 day 10 hours to go from Simi Valley, California to Taylorville, Illinois.
The flight distance (direct flight from Simi Valley, CA to Taylorville, IL) is 1,661.41 mi.
1,938 mi = 1.61 kms