There are
2,140 mi
from Simi Valley, CA to Crossville, TN
That's the driving distance. It would take 1 day 13 hours to go from Simi Valley, California to Crossville, Tennessee.
The flight distance (direct flight from Simi Valley, CA to Crossville, TN) is 1,901.90 mi.
2,140 mi = 3.22 kms