There are
2,152 mi
from Simi Valley, CA to Chattanooga, TN
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Chattanooga, Tennessee.
The flight distance (direct flight from Simi Valley, CA to Chattanooga, TN) is 1,894.08 mi.
2,152 mi = 3.22 kms