There are
2,158 mi
from Knoxville, TN to Norco, CA
That's the driving distance. It would take 1 day 13 hours to go from Knoxville, Tennessee to Norco, California.
The flight distance (direct flight from Knoxville, TN to Norco, CA) is 1,900.32 mi.
2,158 mi = 3.22 kms