There are
440 mi
from Dubuque, IA to Seymour, IN
That's the driving distance. It would take 8 hours 9 mins to go from Dubuque, Iowa to Seymour, Indiana.
The flight distance (direct flight from Dubuque, IA to Seymour, IN) is 349.69 mi.
440 mi = 707.68 kms