One advice for you if you planning to ride Russia on car. In general, spring is time when roads are in most poor state. End of summer is time when roads are mostly repaired. Middle of it is a hell of continuous repairs and as a result of them - traffic jams even on federal roads.
Also one site for you with info about russian towns.(It has info about different countries but Russia is there too) tema.ru. You may translate it via Google translate.