| Boussu to Somma Lombardo | 398.54 mi (641.38 km) |
| Boussu to Somma Vesuviana | 835.19 mi (1,344.10 km) |
| Boussu to Sommacampagna | 476.69 mi (767.16 km) |
| Boussu to Sona | 474.42 mi (763.50 km) |
| Boussu to Sondrio | 405.58 mi (652.72 km) |
| Boussu to Sora | 763.01 mi (1,227.94 km) |
| Boussu to Sorbolo | 494.48 mi (795.79 km) |
| Boussu to Soresina | 452.88 mi (728.85 km) |
| Boussu to Sorisole | 422.13 mi (679.35 km) |
| Boussu to Sorrento | 847.40 mi (1,363.75 km) |
| Boussu to Sorso | 704.28 mi (1,133.43 km) |
| Boussu to Sortino | 1,071.66 mi (1,724.67 km) |
| Boussu to Soverato Marina | 1,023.28 mi (1,646.81 km) |
| Boussu to Sovicille | 605.56 mi (974.56 km) |
| Boussu to Spello | 663.40 mi (1,067.64 km) |
