Hi, that should be no problem if you are reasonably fit. Leon/Astorga (Gaudi Hotel is nice), Astorga/Molinaseca or Ponferrada, Ponferrada/O Cebreiro, O Cebreiro/Sarria, Sarria/Melide, (visit Ezequiel for pulpo!), Melide/Santiago. That has been my route for 5 caminos, and I am doing it again...