There are
2,405 mi
from Knoxville, TN to Susanville, CA
That's the driving distance. It would take 1 day 17 hours to go from Knoxville, Tennessee to Susanville, California.
The flight distance (direct flight from Knoxville, TN to Susanville, CA) is 2,003.76 mi.
2,405 mi = 3.22 kms