There are
2,459 mi
from Knoxville, TN to Menlo Park, CA
That's the driving distance. It would take 1 day 19 hours to go from Knoxville, Tennessee to Menlo Park, California.
The flight distance (direct flight from Knoxville, TN to Menlo Park, CA) is 2,107.29 mi.
2,459 mi = 3,956.77 kms