There are
2,460 mi
from Fremont, CA to Knoxville, TN
That's the driving distance. It would take 1 day 19 hours to go from Fremont, California to Knoxville, Tennessee.
The flight distance (direct flight from Fremont, CA to Knoxville, TN) is 2,095.83 mi.
2,460 mi = 3.22 kms