Maybe miles won’t matter to you, but a Wisconsin voyage is lots of miles. I’m with Biggill as far as Lake Superior goes. There are several landings where you can launch and fish with nothing more than lead line rigs and dipsy divers will allow a little more edge. If the water gets rough and you don’t feel like boating there are places along the shore [Two Harbors, Silver Bay come to mind] where casting from navigational structures will get you into fish including salmon as well as the trout.
Two Harbors is 2 1/2 – 3 hours from the Twin Cities for a travel time reference. Omaha to the Cities is about a 4 hour hike. Mostly interstate to Duluth so at 70 mph you’ll move right along. Set your cruise at 75 and you’ll be fine. Avoid the temptation to go 80….trust me on this.
Its not just the fishing on Superior that is great. Generally its simply being on that body of water….its an impressive experience especially if you have never been to or seen that lake. Fish are a bonus. And off the breakwater in Two Harbors casting you’ll be lobbing your lures into 80 feet or water so you can fish a wee bit faster than off the rocks in Wisconsin or Michigan.