The British Pilgrimage Trust also has a large list of pilgrimages of various lengths and even provides the GPX files for use on navigation apps: https://britishpilgrimage.org/
I'm so sorry you're in so much pain, I hope it works out for you long term. I wondered about K2, it seems it'd be better to buy in Victoria, if at all. Buen Camino
This site is run by Ivar at in Santiago de Compostela.
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