There are
2,175 mi
from Upland, CA to Sevierville, TN
That's the driving distance. It would take 1 day 14 hours to go from Upland, California to Sevierville, Tennessee.
The flight distance (direct flight from Upland, CA to Sevierville, TN) is 1,923.75 mi.
2,175 mi = 3.22 kms