There are
722 mi
from Dubuque, IA to Tonawanda, NY
That's the driving distance. It would take 14 hours 3 mins to go from Dubuque, Iowa to Tonawanda, New York.
The flight distance (direct flight from Dubuque, IA to Tonawanda, NY) is 599.68 mi.
722 mi = 1,161.86 kms