There are
2,142 mi
from Knoxville, TN to San Jacinto, CA
That's the driving distance. It would take 1 day 13 hours to go from Knoxville, Tennessee to San Jacinto, California.
The flight distance (direct flight from Knoxville, TN to San Jacinto, CA) is 1,869.93 mi.
2,142 mi = 3,447.62 kms