There are
2,443 mi
from Knoxville, TN to Marysville, CA
That's the driving distance. It would take 1 day 18 hours to go from Knoxville, Tennessee to Marysville, California.
The flight distance (direct flight from Knoxville, TN to Marysville, CA) is 2,060.33 mi.
2,443 mi = 3.22 kms