There are
623 mi
from Mckinney, TX to Paducah, KY
That's the driving distance. It would take 11 hours 4 mins to go from Mckinney, Texas to Paducah, Kentucky.
The flight distance (direct flight from Mckinney, TX to Paducah, KY) is 527.39 mi.
623 mi = 1,002.83 kms