There are
1,863 mi
from Rialto, CA to Paducah, KY
That's the driving distance. It would take 1 day 8 hours to go from Rialto, California to Paducah, Kentucky.
The flight distance (direct flight from Rialto, CA to Paducah, KY) is 1,623.17 mi.
1,863 mi = 2,997.86 kms