There are two routes between Pendueles and Llanes. The split between the two occurs shortly after you pass the Playa de Vidiago.
Option 1: The NEW camino along the coast through Andrín - 14.6
The new official camino between Pendueles and Llanes stays north of the A-8 and follows a slightly longer path. This route is both more scenic and more comfortable on your feet.
Option 2: The old camino through Vidiago - 14.2
This route, which until recently has been the official camino, was retired to keep pilgrims off of the main road. It is much more road walking than the new camino, however there is an albergue along this option.