| Tournai to Somma Lombardo | 418.86 mi (674.08 km) |
| Tournai to Somma Vesuviana | 856.05 mi (1,377.68 km) |
| Tournai to Sommacampagna | 497.88 mi (801.26 km) |
| Tournai to Sona | 495.62 mi (797.62 km) |
| Tournai to Sondrio | 426.76 mi (686.81 km) |
| Tournai to Sora | 783.86 mi (1,261.50 km) |
| Tournai to Sorbolo | 515.30 mi (829.30 km) |
| Tournai to Soresina | 473.65 mi (762.27 km) |
| Tournai to Sorisole | 443.03 mi (712.98 km) |
| Tournai to Sorrento | 868.18 mi (1,397.20 km) |
| Tournai to Sorso | 721.95 mi (1,161.86 km) |
| Tournai to Sortino | 1,091.82 mi (1,757.11 km) |
| Tournai to Soverato Marina | 1,044.20 mi (1,680.47 km) |
| Tournai to Sovicille | 626.07 mi (1,007.56 km) |
| Tournai to Spello | 684.34 mi (1,101.34 km) |
