There are
2,311 mi
from Simi Valley, CA to Johnson City, TN
That's the driving distance. It would take 1 day 16 hours to go from Simi Valley, California to Johnson City, Tennessee.
The flight distance (direct flight from Simi Valley, CA to Johnson City, TN) is 2,047.11 mi.
2,311 mi = 3.22 kms