| Thonon-les-Bains to Somma Lombardo | 116.61 mi (187.66 km) |
| Thonon-les-Bains to Somma Vesuviana | 549.48 mi (884.31 km) |
| Thonon-les-Bains to Sommacampagna | 220.66 mi (355.12 km) |
| Thonon-les-Bains to Sona | 219.15 mi (352.69 km) |
| Thonon-les-Bains to Sondrio | 162.70 mi (261.83 km) |
| Thonon-les-Bains to Sora | 478.05 mi (769.34 km) |
| Thonon-les-Bains to Sorbolo | 218.76 mi (352.05 km) |
| Thonon-les-Bains to Soresina | 178.99 mi (288.06 km) |
| Thonon-les-Bains to Sorisole | 158.54 mi (255.15 km) |
| Thonon-les-Bains to Sorrento | 559.59 mi (900.57 km) |
| Thonon-les-Bains to Sorso | 398.56 mi (641.42 km) |
| Thonon-les-Bains to Sortino | 772.44 mi (1,243.12 km) |
| Thonon-les-Bains to Soverato Marina | 736.91 mi (1,185.95 km) |
| Thonon-les-Bains to Sovicille | 315.56 mi (507.85 km) |
| Thonon-les-Bains to Spello | 383.27 mi (616.82 km) |
