Wisconsin

Wisconsin is a location that appears in Sonic X comic series published by Archie Comics. In this continuity, it is a country located on Earth.

Archie Comics
Being bored of the place, Sonic the Hedgehog left Las Vegas and traveled around, eventually ending up in Wisconsin. However, he would decide to return, believing that his friends would be in trouble soon.

Trivia

 * Wisconsin is based on the real life location with the same name, which is a federated state of the USA.