| Merthyr Tudful to Savignano sul Rubicone | 898.64 mi (1,446.23 km) |
| Merthyr Tudful to Savona | 749.41 mi (1,206.07 km) |
| Merthyr Tudful to Scafati | 1,138.23 mi (1,831.80 km) |
| Merthyr Tudful to Scalea | 1,231.28 mi (1,981.55 km) |
| Merthyr Tudful to Scandiano | 812.69 mi (1,307.90 km) |
| Merthyr Tudful to Scandicci | 870.56 mi (1,401.03 km) |
| Merthyr Tudful to Schio | 788.15 mi (1,268.41 km) |
| Merthyr Tudful to Sciacca | 1,267.82 mi (2,040.36 km) |
| Merthyr Tudful to Scicli | 1,358.92 mi (2,186.97 km) |
| Merthyr Tudful to Scordia | 1,334.95 mi (2,148.40 km) |
| Merthyr Tudful to Scorze | 823.00 mi (1,324.49 km) |
| Merthyr Tudful to Sedico | 800.68 mi (1,288.57 km) |
| Merthyr Tudful to Sedriano | 709.10 mi (1,141.19 km) |
| Merthyr Tudful to Segni | 1,037.96 mi (1,670.43 km) |
| Merthyr Tudful to Segrate | 720.68 mi (1,159.82 km) |
