Wiener Melange and Espresso Romano are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Wiener Melange and Espresso Romano's differentiating factor?In following section we will take a close look at what is Wiener Melange and Espresso Romano color, serving style, types and much more. First thing to know is what are the different types of Wiener Melange and Espresso Romano. Well, Wiener Melange types include Cappuccino while types of Espresso Romano are Espresso, Cappuccino, Macchiato, Mocha, Red Eye, Palazzo, Iced Coffee.