There are
2,451 mi
from Napa, CA to Crossville, TN
That's the driving distance. It would take 1 day 18 hours to go from Napa, California to Crossville, Tennessee.
The flight distance (direct flight from Napa, CA to Crossville, TN) is 2,045.82 mi.
2,451 mi = 3.22 kms