| Llantrisant to Santa Ursula | 1,735.47 mi (2,792.97 km) |
| Llantrisant to Santander | 558.58 mi (898.94 km) |
| Llantrisant to Santany | 898.28 mi (1,445.64 km) |
| Llantrisant to Santiago de Compostela | 645.53 mi (1,038.88 km) |
| Llantrisant to Santiago del Teide | 1,750.49 mi (2,817.14 km) |
| Llantrisant to Santiponce | 983.34 mi (1,582.53 km) |
| Llantrisant to Santomera | 938.22 mi (1,509.93 km) |
| Llantrisant to Santona | 559.71 mi (900.77 km) |
| Llantrisant to Santurce-Antiguo | 567.60 mi (913.46 km) |
| Llantrisant to Sarria | 634.00 mi (1,020.32 km) |
| Llantrisant to Sauzal | 1,730.78 mi (2,785.43 km) |
| Llantrisant to Sedavi | 849.31 mi (1,366.83 km) |
| Llantrisant to Segorbe | 819.45 mi (1,318.78 km) |
| Llantrisant to Segovia | 732.82 mi (1,179.36 km) |
| Llantrisant to Senmanat | 734.02 mi (1,181.29 km) |
