At this point in my life, my tours are restricted to about 10 days max. I plan each day's route ahead of time and make paper cue sheets (*gasp*) if they might come in handy. I also note camping options along the way in case I have to rearrange by planned itinerary. You can easily find campgrounds using a simple Google Maps search such as "Campgrounds near [insert name of town]". Same approach works for restaurants, motels and grocery stores.