French tire giant, and renowned map maker, Michelin, have for the last few years been publishing a nice guide for motorcycle in France. The guide, published like one of Michelin's guide books, has many motorcycle trips detailed.
This year, the Michelin guide has 96 fully explored itineraries available. All the itineraries are available on their ViaMichelin website to down load, either in one of the GPS standards, or as a printable roadbook. The downloads are free, but you'll miss out on all the detail.
The details for each itinerary