| Syston to Solofra | 1,108.94 mi (1,784.67 km) |
| Syston to Somma Lombardo | 654.65 mi (1,053.55 km) |
| Syston to Somma Vesuviana | 1,093.86 mi (1,760.40 km) |
| Syston to Sommacampagna | 737.35 mi (1,186.65 km) |
| Syston to Sona | 735.11 mi (1,183.04 km) |
| Syston to Sondrio | 666.25 mi (1,072.23 km) |
| Syston to Sora | 1,021.65 mi (1,644.19 km) |
| Syston to Sorbolo | 753.26 mi (1,212.25 km) |
| Syston to Soresina | 711.40 mi (1,144.89 km) |
| Syston to Sorisole | 681.43 mi (1,096.65 km) |
| Syston to Sorrento | 1,105.56 mi (1,779.22 km) |
| Syston to Sorso | 938.98 mi (1,511.14 km) |
| Syston to Sortino | 1,325.05 mi (2,132.47 km) |
| Syston to Soverato Marina | 1,282.17 mi (2,063.45 km) |
| Syston to Sovicille | 862.19 mi (1,387.57 km) |
