There are
2,174 mi
from Fullerton, CA to Knoxville, TN
That's the driving distance. It would take 1 day 13 hours to go from Fullerton, California to Knoxville, Tennessee.
The flight distance (direct flight from Fullerton, CA to Knoxville, TN) is 1,922.26 mi.
2,174 mi = 3,498.80 kms