There are
1,904 mi
from Fullerton, CA to Paducah, KY
That's the driving distance. It would take 1 day 9 hours to go from Fullerton, California to Paducah, Kentucky.
The flight distance (direct flight from Fullerton, CA to Paducah, KY) is 1,658.22 mi.
1,904 mi = 1.61 kms