The 5 and the 9 were both within half a mile.Unfortunately too far from any other bus route so we take the 18.45 Southern Vectis service 8 back towards Ryde alighting at Sandown Library at 19.18 on Monday

You've jumped back an hour. Its 1232 arriving into Tonypandy.We walk to the Cathedral Road Stop and take the 11.10 Stagecoach South Wales service 122 to Tonypandy Bus Station arriving at 11.32 on Wednesday.
How so? It's only been used twice.The 122 seems a very popular route on this thread today.
We take the seven minute walk to Ferndale Library and board the 1358 Stagecoach South Wales service 132 to Whitchurch (Three Elms), arriving there at 1533 on Wednesday afternoon.We next take the 13.10 Stagecoach South Wales service 170 to Ferndale, Station Road arriving at 13.48 on Wednesday.