There are
2,223 mi
from Knoxville, TN to Ventura, CA
That's the driving distance. It would take 1 day 15 hours to go from Knoxville, Tennessee to Ventura, California.
The flight distance (direct flight from Knoxville, TN to Ventura, CA) is 1,988.03 mi.
2,223 mi = 3,577.85 kms