There are
2,460 mi
from Pittsburg, CA to Maryville, TN
That's the driving distance. It would take 1 day 19 hours to go from Pittsburg, California to Maryville, Tennessee.
The flight distance (direct flight from Pittsburg, CA to Maryville, TN) is 2,086.49 mi.
2,460 mi = 3,958.36 kms