| Pen-y-Bont ar Ogwr to Santa Venerina | 1,319.07 mi (2,122.84 km) |
| Pen-y-Bont ar Ogwr to Santeramo in Colle | 1,215.97 mi (1,956.92 km) |
| Pen-y-Bont ar Ogwr to Santo Stefano di Magra | 803.55 mi (1,293.19 km) |
| Pen-y-Bont ar Ogwr to Santo Stino di Livenza | 840.50 mi (1,352.66 km) |
| Pen-y-Bont ar Ogwr to Sarezzo | 746.80 mi (1,201.86 km) |
| Pen-y-Bont ar Ogwr to Sarno | 1,136.26 mi (1,828.63 km) |
| Pen-y-Bont ar Ogwr to Saronno | 704.05 mi (1,133.06 km) |
| Pen-y-Bont ar Ogwr to Sarzana | 807.50 mi (1,299.55 km) |
| Pen-y-Bont ar Ogwr to Sassari | 942.26 mi (1,516.43 km) |
| Pen-y-Bont ar Ogwr to Sasso Marconi | 841.24 mi (1,353.85 km) |
| Pen-y-Bont ar Ogwr to Sassuolo | 817.09 mi (1,314.98 km) |
| Pen-y-Bont ar Ogwr to Sava | 1,265.29 mi (2,036.29 km) |
| Pen-y-Bont ar Ogwr to Saviano | 1,127.65 mi (1,814.77 km) |
| Pen-y-Bont ar Ogwr to Savigliano | 700.25 mi (1,126.95 km) |
| Pen-y-Bont ar Ogwr to Savignano sul Panaro | 829.40 mi (1,334.78 km) |
