| San Fernando to Sestu | 855.42 mi (1,376.67 km) |
| San Fernando to Settimo Torinese | 942.22 mi (1,516.35 km) |
| San Fernando to Seveso | 1,017.08 mi (1,636.84 km) |
| San Fernando to Sezze | 1,088.88 mi (1,752.38 km) |
| San Fernando to Siano | 1,163.69 mi (1,872.78 km) |
| San Fernando to Siena | 1,040.13 mi (1,673.92 km) |
| San Fernando to Signa | 1,041.50 mi (1,676.13 km) |
| San Fernando to Silea | 1,149.59 mi (1,850.09 km) |
| San Fernando to Silvi Paese | 1,158.13 mi (1,863.84 km) |
| San Fernando to Sinalunga | 1,056.58 mi (1,700.39 km) |
| San Fernando to Siniscola | 903.44 mi (1,453.95 km) |
| San Fernando to Sinnai | 861.34 mi (1,386.20 km) |
| San Fernando to Siracusa | 1,187.49 mi (1,911.09 km) |
| San Fernando to Solaro | 1,013.85 mi (1,631.63 km) |
| San Fernando to Soliera | 1,061.39 mi (1,708.15 km) |
