| Mont-Saint-Martin to Somma Lombardo | 299.17 mi (481.47 km) |
| Mont-Saint-Martin to Somma Vesuviana | 731.28 mi (1,176.88 km) |
| Mont-Saint-Martin to Sommacampagna | 371.21 mi (597.41 km) |
| Mont-Saint-Martin to Sona | 368.90 mi (593.69 km) |
| Mont-Saint-Martin to Sondrio | 300.26 mi (483.22 km) |
| Mont-Saint-Martin to Sora | 659.23 mi (1,060.93 km) |
| Mont-Saint-Martin to Sorbolo | 391.31 mi (629.75 km) |
| Mont-Saint-Martin to Soresina | 350.23 mi (563.63 km) |
| Mont-Saint-Martin to Sorisole | 318.69 mi (512.88 km) |
| Mont-Saint-Martin to Sorrento | 743.92 mi (1,197.23 km) |
| Mont-Saint-Martin to Sorso | 619.10 mi (996.34 km) |
| Mont-Saint-Martin to Sortino | 971.48 mi (1,563.45 km) |
| Mont-Saint-Martin to Soverato Marina | 919.00 mi (1,478.98 km) |
| Mont-Saint-Martin to Sovicille | 504.08 mi (811.25 km) |
| Mont-Saint-Martin to Spello | 559.24 mi (900.00 km) |
