If you have done a lot of preparation then you can do it in one day but if not I would recommend stopping in Orisson. I did it last year from St Jean, had not done enough preparation and found my legs were really sore for about three days afterwards. On reflection, should have done more...
Walked from Sarria to Santiago last year. Met two lovely Scottish guys doing the whole walk. They changed to Keen sandals early on and walked the rest of the way. They said they were very comfortable. It was May June tome
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