There are
258 mi
from Champaign, IL to Dubuque, IA
That's the driving distance. It would take 4 hours 49 mins to go from Champaign, Illinois to Dubuque, Iowa.
The flight distance (direct flight from Champaign, IL to Dubuque, IA) is 207.17 mi.
258 mi = 414.73 kms