| Triel-sur-Seine to Somma Lombardo | 387.28 mi (623.26 km) |
| Triel-sur-Seine to Somma Vesuviana | 824.90 mi (1,327.55 km) |
| Triel-sur-Seine to Sommacampagna | 482.92 mi (777.18 km) |
| Triel-sur-Seine to Sona | 480.96 mi (774.03 km) |
| Triel-sur-Seine to Sondrio | 414.54 mi (667.14 km) |
| Triel-sur-Seine to Sora | 753.31 mi (1,212.33 km) |
| Triel-sur-Seine to Sorbolo | 489.82 mi (788.29 km) |
| Triel-sur-Seine to Soresina | 448.33 mi (721.52 km) |
| Triel-sur-Seine to Sorisole | 422.10 mi (679.30 km) |
| Triel-sur-Seine to Sorrento | 835.10 mi (1,343.96 km) |
| Triel-sur-Seine to Sorso | 649.87 mi (1,045.87 km) |
| Triel-sur-Seine to Sortino | 1,045.07 mi (1,681.88 km) |
| Triel-sur-Seine to Soverato Marina | 1,012.42 mi (1,629.34 km) |
| Triel-sur-Seine to Sovicille | 590.98 mi (951.10 km) |
| Triel-sur-Seine to Spello | 657.43 mi (1,058.03 km) |
