Most campervan and motorhome supplier in Europe do not have rental centres in other European countries...
For instance it is possible to pick up a campervan in Paris and drop off in Rome, Milan, Madrid, Barcelona or Frankfurt...
Great advise on Motorhome rental in Europe. General guidance on Campgrounds and what size of Campervan that might suit your vacation in Europe in a RV or Campervan. If you intend on using a campervan in small streets in towns in Europe get a small nimble vehicle.