There are
545 mi
from Dubuque, IA to Kennett, MO
That's the driving distance. It would take 10 hours 3 mins to go from Dubuque, Iowa to Kennett, Missouri.
The flight distance (direct flight from Dubuque, IA to Kennett, MO) is 434.05 mi.
545 mi = 877.44 kms