Originally Posted by pbiflyer

Love Cordoba. I think it was a recommendation upthread of mine.
But since all trains from BCN to Sevilla run through Madrid, perhaps Toledo? closer to half way. Enough to see, do for a couple days. Yes, that could be a day trip from Madrid, but if the goal is to break up the trip, seems to fit.
If the goal is to find an interesting place along the route without backtracking, then yes, I agree, Cordoba fits perfectly.