I just looked and near me (Iowa) the nearest charging stations are over an hour away. It looks like they are located near the major truck stops going through the state. That makes sense I guess, but you don't pass those places unless you are traveling long distance.

I see a fair number of Teslas around town, but I have to imagine they all just charge at home. I know of a single charging station in the area and it supports either one or two cars from what I remember.