There are
449 mi
from Dubuque, IA to Dearborn Heights, MI
That's the driving distance. It would take 8 hours 52 mins to go from Dubuque, Iowa to Dearborn Heights, Michigan.
The flight distance (direct flight from Dubuque, IA to Dearborn Heights, MI) is 377.06 mi.
449 mi = 722.77 kms