There are
568 mi
from Dubuque, IA to Lexington, KY
That's the driving distance. It would take 10 hours 27 mins to go from Dubuque, Iowa to Lexington, Kentucky.
The flight distance (direct flight from Dubuque, IA to Lexington, KY) is 447.48 mi.
568 mi = 913.51 kms