| Montecatini Terme to Sestao | 689.69 mi (1,109.95 km) |
| Montecatini Terme to Sevilla | 989.74 mi (1,592.84 km) |
| Montecatini Terme to Sevilla La Nueva | 795.59 mi (1,280.38 km) |
| Montecatini Terme to Silla | 655.78 mi (1,055.38 km) |
| Montecatini Terme to Silleda | 957.12 mi (1,540.33 km) |
| Montecatini Terme to Sitges | 491.36 mi (790.76 km) |
| Montecatini Terme to Socuellamos | 768.17 mi (1,236.25 km) |
| Montecatini Terme to Soller | 503.18 mi (809.79 km) |
| Montecatini Terme to Solsona | 485.60 mi (781.49 km) |
| Montecatini Terme to Son Servera | 482.01 mi (775.72 km) |
| Montecatini Terme to Sonseca | 810.15 mi (1,303.80 km) |
| Montecatini Terme to Sopelana | 687.71 mi (1,106.77 km) |
| Montecatini Terme to Soria | 685.77 mi (1,103.64 km) |
| Montecatini Terme to Suances | 740.52 mi (1,191.75 km) |
| Montecatini Terme to Sueca | 657.23 mi (1,057.71 km) |
