| Tonypandy to Sestu | 1,042.99 mi (1,678.52 km) |
| Tonypandy to Settimo Torinese | 681.34 mi (1,096.51 km) |
| Tonypandy to Seveso | 706.31 mi (1,136.69 km) |
| Tonypandy to Sezze | 1,046.76 mi (1,684.59 km) |
| Tonypandy to Siano | 1,139.61 mi (1,834.02 km) |
| Tonypandy to Siena | 894.78 mi (1,440.00 km) |
| Tonypandy to Signa | 864.00 mi (1,390.47 km) |
| Tonypandy to Silea | 826.36 mi (1,329.90 km) |
| Tonypandy to Silvi Paese | 1,032.83 mi (1,662.19 km) |
| Tonypandy to Sinalunga | 914.06 mi (1,471.04 km) |
| Tonypandy to Siniscola | 986.59 mi (1,587.76 km) |
| Tonypandy to Sinnai | 1,045.89 mi (1,683.19 km) |
| Tonypandy to Siracusa | 1,358.95 mi (2,187.01 km) |
| Tonypandy to Solaro | 705.61 mi (1,135.57 km) |
| Tonypandy to Soliera | 813.08 mi (1,308.53 km) |
