There are
2,107 mi
from Simi Valley, CA to Cookeville, TN
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Cookeville, Tennessee.
The flight distance (direct flight from Simi Valley, CA to Cookeville, TN) is 1,873.94 mi.
2,107 mi = 3.22 kms