| San Fernando de Henares to Sestu | 673.60 mi (1,084.05 km) |
| San Fernando de Henares to Settimo Torinese | 658.15 mi (1,059.18 km) |
| San Fernando de Henares to Seveso | 733.34 mi (1,180.19 km) |
| San Fernando de Henares to Sezze | 868.04 mi (1,396.97 km) |
| San Fernando de Henares to Siano | 954.77 mi (1,536.56 km) |
| San Fernando de Henares to Siena | 789.37 mi (1,270.37 km) |
| San Fernando de Henares to Signa | 784.05 mi (1,261.81 km) |
| San Fernando de Henares to Silea | 875.34 mi (1,408.72 km) |
| San Fernando de Henares to Silvi Paese | 923.59 mi (1,486.38 km) |
| San Fernando de Henares to Sinalunga | 808.23 mi (1,300.72 km) |
| San Fernando de Henares to Siniscola | 694.60 mi (1,117.85 km) |
| San Fernando de Henares to Sinnai | 679.40 mi (1,093.39 km) |
| San Fernando de Henares to Siracusa | 1,038.30 mi (1,670.99 km) |
| San Fernando de Henares to Solaro | 730.17 mi (1,175.09 km) |
| San Fernando de Henares to Soliera | 792.28 mi (1,275.06 km) |
