There are
2,481 mi
from Knoxville, TN to Richmond, CA
That's the driving distance. It would take 1 day 19 hours to go from Knoxville, Tennessee to Richmond, California.
The flight distance (direct flight from Knoxville, TN to Richmond, CA) is 2,111.25 mi.
2,481 mi = 3,992.19 kms