There are
2,466 mi
from Knoxville, TN to Redwood City, CA
That's the driving distance. It would take 1 day 19 hours to go from Knoxville, Tennessee to Redwood City, California.
The flight distance (direct flight from Knoxville, TN to Redwood City, CA) is 2,109.87 mi.
2,466 mi = 3.22 kms