| Chamonix-Mont-Blanc to Sestao | 517.65 mi (833.08 km) |
| Chamonix-Mont-Blanc to Sevilla | 893.24 mi (1,437.52 km) |
| Chamonix-Mont-Blanc to Sevilla La Nueva | 670.05 mi (1,078.35 km) |
| Chamonix-Mont-Blanc to Silla | 584.57 mi (940.77 km) |
| Chamonix-Mont-Blanc to Silleda | 777.76 mi (1,251.69 km) |
| Chamonix-Mont-Blanc to Sitges | 411.15 mi (661.68 km) |
| Chamonix-Mont-Blanc to Socuellamos | 670.84 mi (1,079.62 km) |
| Chamonix-Mont-Blanc to Soller | 474.68 mi (763.93 km) |
| Chamonix-Mont-Blanc to Solsona | 379.94 mi (611.45 km) |
| Chamonix-Mont-Blanc to Son Servera | 470.23 mi (756.76 km) |
| Chamonix-Mont-Blanc to Sonseca | 695.75 mi (1,119.70 km) |
| Chamonix-Mont-Blanc to Sopelana | 514.48 mi (827.98 km) |
| Chamonix-Mont-Blanc to Soria | 546.14 mi (878.93 km) |
| Chamonix-Mont-Blanc to Suances | 562.80 mi (905.74 km) |
| Chamonix-Mont-Blanc to Sueca | 590.30 mi (949.99 km) |
