| Chamonix-Mont-Blanc to Somma Lombardo | 89.73 mi (144.40 km) |
| Chamonix-Mont-Blanc to Somma Vesuviana | 515.41 mi (829.47 km) |
| Chamonix-Mont-Blanc to Sommacampagna | 195.58 mi (314.75 km) |
| Chamonix-Mont-Blanc to Sona | 194.32 mi (312.72 km) |
| Chamonix-Mont-Blanc to Sondrio | 144.93 mi (233.23 km) |
| Chamonix-Mont-Blanc to Sora | 444.23 mi (714.92 km) |
| Chamonix-Mont-Blanc to Sorbolo | 188.93 mi (304.05 km) |
| Chamonix-Mont-Blanc to Soresina | 150.96 mi (242.95 km) |
| Chamonix-Mont-Blanc to Sorisole | 134.80 mi (216.94 km) |
| Chamonix-Mont-Blanc to Sorrento | 525.24 mi (845.28 km) |
| Chamonix-Mont-Blanc to Sorso | 364.25 mi (586.21 km) |
| Chamonix-Mont-Blanc to Sortino | 736.83 mi (1,185.81 km) |
| Chamonix-Mont-Blanc to Soverato Marina | 702.50 mi (1,130.56 km) |
| Chamonix-Mont-Blanc to Sovicille | 281.60 mi (453.19 km) |
| Chamonix-Mont-Blanc to Spello | 350.55 mi (564.16 km) |
