| Montecatini Terme to Settimo Torinese | 171.39 mi (275.83 km) |
| Montecatini Terme to Seveso | 145.67 mi (234.43 km) |
| Montecatini Terme to Sezze | 201.71 mi (324.63 km) |
| Montecatini Terme to Siano | 292.23 mi (470.30 km) |
| Montecatini Terme to Siena | 48.03 mi (77.30 km) |
| Montecatini Terme to Signa | 17.78 mi (28.61 km) |
| Montecatini Terme to Silea | 143.48 mi (230.91 km) |
| Montecatini Terme to Silvi Paese | 191.97 mi (308.94 km) |
| Montecatini Terme to Sinalunga | 66.63 mi (107.23 km) |
| Montecatini Terme to Siniscola | 235.11 mi (378.37 km) |
| Montecatini Terme to Sinnai | 326.65 mi (525.69 km) |
| Montecatini Terme to Siracusa | 527.02 mi (848.16 km) |
| Montecatini Terme to Solaro | 145.52 mi (234.19 km) |
| Montecatini Terme to Soliera | 59.58 mi (95.88 km) |
| Montecatini Terme to Solofra | 296.18 mi (476.65 km) |
