Miles between Decatur, IL and Dubuque, IA

There are
254 mi
from Decatur, IL to Dubuque, IA

That's the driving distance. It would take 4 hours 52 mins to go from Decatur, Illinois to Dubuque, Iowa.

The flight distance (direct flight from Decatur, IL to Dubuque, IA) is 204.18 mi.

254 mi = 408.42 kms