There are
1,124 mi
from Dubuque, IA to Pasadena, TX
That's the driving distance. It would take 20 hours 46 mins to go from Dubuque, Iowa to Pasadena, Texas.
The flight distance (direct flight from Dubuque, IA to Pasadena, TX) is 920.31 mi.
1,124 mi = 1,808.75 kms