Miles between Dubuque, IA and Superior, CO

There are
866 mi
from Dubuque, IA to Superior, CO

That's the driving distance. It would take 15 hours 26 mins to go from Dubuque, Iowa to Superior, Colorado.

The flight distance (direct flight from Dubuque, IA to Superior, CO) is 772.96 mi.

866 mi = 1,393.85 kms