| Troyan to Somma Lombardo | 814.00 mi (1,310.01 km) |
| Troyan to Somma Vesuviana | 546.39 mi (879.33 km) |
| Troyan to Sommacampagna | 708.20 mi (1,139.74 km) |
| Troyan to Sona | 709.37 mi (1,141.63 km) |
| Troyan to Sondrio | 764.43 mi (1,230.23 km) |
| Troyan to Sora | 572.52 mi (921.37 km) |
| Troyan to Sorbolo | 722.59 mi (1,162.89 km) |
| Troyan to Soresina | 754.77 mi (1,214.69 km) |
| Troyan to Sorisole | 768.96 mi (1,237.53 km) |
| Troyan to Sorrento | 555.01 mi (893.19 km) |
| Troyan to Sorso | 841.81 mi (1,354.76 km) |
| Troyan to Sortino | 646.19 mi (1,039.94 km) |
| Troyan to Soverato Marina | 516.10 mi (830.58 km) |
| Troyan to Sovicille | 680.24 mi (1,094.73 km) |
| Troyan to Spello | 608.78 mi (979.74 km) |
