There are
1,860 mi
from Upland, CA to Tupelo, MS
That's the driving distance. It would take 1 day 8 hours to go from Upland, California to Tupelo, Mississippi.
The flight distance (direct flight from Upland, CA to Tupelo, MS) is 1,648.89 mi.
1,860 mi = 2,993.18 kms