| Trowbridge to Solofra | 1,087.64 mi (1,750.38 km) |
| Trowbridge to Somma Lombardo | 632.19 mi (1,017.41 km) |
| Trowbridge to Somma Vesuviana | 1,071.11 mi (1,723.78 km) |
| Trowbridge to Sommacampagna | 724.07 mi (1,165.28 km) |
| Trowbridge to Sona | 721.99 mi (1,161.94 km) |
| Trowbridge to Sondrio | 654.07 mi (1,052.63 km) |
| Trowbridge to Sora | 999.34 mi (1,608.29 km) |
| Trowbridge to Sorbolo | 734.08 mi (1,181.39 km) |
| Trowbridge to Soresina | 692.29 mi (1,114.14 km) |
| Trowbridge to Sorisole | 664.66 mi (1,069.66 km) |
| Trowbridge to Sorrento | 1,081.52 mi (1,740.55 km) |
| Trowbridge to Sorso | 890.11 mi (1,432.49 km) |
| Trowbridge to Sortino | 1,291.36 mi (2,078.24 km) |
| Trowbridge to Soverato Marina | 1,258.86 mi (2,025.94 km) |
| Trowbridge to Sovicille | 837.28 mi (1,347.48 km) |
