There are
2,019 mi
from Simi Valley, CA to Clarksville, TN
That's the driving distance. It would take 1 day 11 hours to go from Simi Valley, California to Clarksville, Tennessee.
The flight distance (direct flight from Simi Valley, CA to Clarksville, TN) is 1,768.70 mi.
2,019 mi = 3.22 kms