There are many many different maps on the Internet of the route. Below are two that I have found to be partiuclarly helpful. Click on the image for a larger version ...

This is the "official" map from the Ministerio de Economia in Spain. I've highlighted my route from Roncesvalles to Santiago de Compostela in blue.

The Road to Santiago official map

The map below is my route excerpted from the pilgrim's credential, which is a type of "passport which is stamped in the various cities and villages passed through. (again, click on the image for larger version.)

pilgrim's credential map-small