This map by James Richards overlays a map of the United States with the flags of countries with populations equal to the respective states. You can view a much larger image at the link.
For a moment, I thought that Wisconsin was Norway, and it would have been weirdly coincidental (the majority of people in the north 2/3 of the state are at least part norwegian). But no. It's finland. Boring finland.
Oregon is overlayed with the Palestian Authority's flag. The Palestinian Authority isn't a country. Interesting that I don't see Israel's flag anywhere.
Ehm, I think you mean Denmark. Wow.