There are
501 mi
from Dubuque, IA to Lyndon, KY
That's the driving distance. It would take 9 hours 15 mins to go from Dubuque, Iowa to Lyndon, Kentucky.
The flight distance (direct flight from Dubuque, IA to Lyndon, KY) is 396.07 mi.
501 mi = 805.96 kms