There are
1,875 mi
from Upland, CA to Paducah, KY
That's the driving distance. It would take 1 day 9 hours to go from Upland, California to Paducah, Kentucky.
The flight distance (direct flight from Upland, CA to Paducah, KY) is 1,638.66 mi.
1,875 mi = 1.61 kms