There are
881 mi
from Dubuque, IA to Rowlett, TX
That's the driving distance. It would take 16 hours 33 mins to go from Dubuque, Iowa to Rowlett, Texas.
The flight distance (direct flight from Dubuque, IA to Rowlett, TX) is 736.91 mi.
881 mi = 1,417.51 kms