OMG ....well that explains it !

Just had a chat with s portugeese guy and he explained to me that the reason I've already done ,40,K on what was a 30k day is that I am following the Senda Litora which hugs the coastline whereas the coastal route goes through the coastal villages and town via roads ... suppose a bit like going from Coleraine to Belfast via Ballymoney and Ballymena as opposed to going via the Antrim Coast Road .suppose that explains Monday mileage too
Good to know and worth every kBaca lagi