day 1. perth. low road to newtyle, forfar. glen clova loop. back along past loch of lentrathen and up to pitlochry. something around the 95 mile mark. barely a main road.
day 2. pitlochry, kinloch rannoch, aberfeldy, kenmore, amulree (via glen quaich), creiff, braco, perth. this last bit you can extend or shorten dependent on your taste and how much legs you have