Alas, I finally found good quality maps of the whole of Europe and the Duchy of Ardennes.  Unfortunately, they exceed the maximum size for a map on RPoL.  I leave the links here.

Europe in 768
https://db4sgowjqfwig.cloudfro...pe768.jpg?1523254336

The Duchy of Ardennes
https://db4sgowjqfwig.cloudfro...ennes.jpg?1523254544