There are
1,137 mi
from Dubuque, IA to Seabrook, TX
That's the driving distance. It would take 21 hours 2 mins to go from Dubuque, Iowa to Seabrook, Texas.
The flight distance (direct flight from Dubuque, IA to Seabrook, TX) is 926.08 mi.
1,137 mi = 1,830.37 kms