According to the Sunday Times Travel Section of 28.8.16. Included in a piece by Griff Rhys Jones on (part of) the Pembrokeshire Coast Path.

Rota Vincentina, Portugal (http://en.rotavicentina.com/):
A network of walking trails in SW Portugal totalling 400 km, along "the most beautiful and best preserved coastline of Southern Europe." Between the city of Santiago do Cacém and Cape St. Vincent. Fully within SW Alentejo and Vicentina Coast Natural Park. Certified “Leading Quality Trails – Best of Europe” by the European Ramblers Association.

Sentiero Deli Dei, Italy (www.pathofgods.com):
The Amalfi Coast, from east to west between the hamlet of Nocelle (Positano), and Bomerano (Agerola). Includes deserted convents, olive groves, coastal crags. "Easily the most spectacular way to take in the operatic scenery of the Amalfi Coast". "One of the most striking panoramas on Earth".

Cote D'Albatre, France:
The GR21 between Dieppe and Le Havre. Includes the 11-mile section from Fécamp to Etretat. "Normandy's answer to the Seven Sisters". Etretat (painted by Monet) has a chalk arch resembling the one at Dorset's Durdle Door.

Iain.