| Montecatini Terme to Somma Lombardo | 160.59 mi (258.44 km) |
| Montecatini Terme to Somma Vesuviana | 279.70 mi (450.14 km) |
| Montecatini Terme to Sommacampagna | 104.90 mi (168.82 km) |
| Montecatini Terme to Sona | 107.17 mi (172.48 km) |
| Montecatini Terme to Sondrio | 164.02 mi (263.96 km) |
| Montecatini Terme to Sora | 207.84 mi (334.49 km) |
| Montecatini Terme to Sorbolo | 68.45 mi (110.16 km) |
| Montecatini Terme to Soresina | 106.91 mi (172.05 km) |
| Montecatini Terme to Sorisole | 139.31 mi (224.19 km) |
| Montecatini Terme to Sorrento | 290.66 mi (467.77 km) |
| Montecatini Terme to Sorso | 240.75 mi (387.45 km) |
| Montecatini Terme to Sortino | 515.02 mi (828.85 km) |
| Montecatini Terme to Soverato Marina | 467.81 mi (752.87 km) |
| Montecatini Terme to Sovicille | 47.44 mi (76.35 km) |
| Montecatini Terme to Spello | 113.63 mi (182.87 km) |
