Miles between Simi Valley, CA and Decatur, IL

There are
1,983 mi
from Simi Valley, CA to Decatur, IL

That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Decatur, Illinois.

The flight distance (direct flight from Simi Valley, CA to Decatur, IL) is 1,680.68 mi.

1,983 mi = 1.61 kms