| Trossingen to Somma Lombardo | 165.32 mi (266.06 km) |
| Trossingen to Somma Vesuviana | 573.61 mi (923.14 km) |
| Trossingen to Sommacampagna | 212.50 mi (341.98 km) |
| Trossingen to Sona | 210.09 mi (338.11 km) |
| Trossingen to Sondrio | 143.89 mi (231.57 km) |
| Trossingen to Sora | 502.19 mi (808.20 km) |
| Trossingen to Sorbolo | 239.20 mi (384.96 km) |
| Trossingen to Soresina | 201.20 mi (323.81 km) |
| Trossingen to Sorisole | 168.57 mi (271.29 km) |
| Trossingen to Sorrento | 587.10 mi (944.85 km) |
| Trossingen to Sorso | 502.82 mi (809.21 km) |
| Trossingen to Sortino | 820.19 mi (1,319.97 km) |
| Trossingen to Soverato Marina | 760.04 mi (1,223.16 km) |
| Trossingen to Sovicille | 354.00 mi (569.71 km) |
| Trossingen to Spello | 401.96 mi (646.89 km) |
