There are
2,447 mi
from Knoxville, TN to Pleasanton, CA
That's the driving distance. It would take 1 day 18 hours to go from Knoxville, Tennessee to Pleasanton, California.
The flight distance (direct flight from Knoxville, TN to Pleasanton, CA) is 2,088.47 mi.
2,447 mi = 3,937.31 kms