There are
2,135 mi
from Crossville, TN to Simi Valley, CA
That's the driving distance. It would take 1 day 13 hours to go from Crossville, Tennessee to Simi Valley, California.
The flight distance (direct flight from Crossville, TN to Simi Valley, CA) is 1,901.90 mi.
2,135 mi = 3,436.17 kms