There are
2,158 mi
from Riverside, CA to Maryville, TN
That's the driving distance. It would take 1 day 13 hours to go from Riverside, California to Maryville, Tennessee.
The flight distance (direct flight from Riverside, CA to Maryville, TN) is 1,890.11 mi.
2,158 mi = 3.22 kms