| Alcazar de San Juan to Sestu | 656.55 mi (1,056.61 km) |
| Alcazar de San Juan to Settimo Torinese | 685.55 mi (1,103.29 km) |
| Alcazar de San Juan to Seveso | 760.73 mi (1,224.28 km) |
| Alcazar de San Juan to Sezze | 866.33 mi (1,394.23 km) |
| Alcazar de San Juan to Siano | 949.22 mi (1,527.62 km) |
| Alcazar de San Juan to Siena | 799.57 mi (1,286.79 km) |
| Alcazar de San Juan to Signa | 797.35 mi (1,283.20 km) |
| Alcazar de San Juan to Silea | 897.52 mi (1,444.41 km) |
| Alcazar de San Juan to Silvi Paese | 927.53 mi (1,492.71 km) |
| Alcazar de San Juan to Sinalunga | 817.44 mi (1,315.55 km) |
| Alcazar de San Juan to Siniscola | 687.11 mi (1,105.79 km) |
| Alcazar de San Juan to Sinnai | 662.46 mi (1,066.13 km) |
| Alcazar de San Juan to Siracusa | 1,014.66 mi (1,632.93 km) |
| Alcazar de San Juan to Solaro | 757.51 mi (1,219.10 km) |
| Alcazar de San Juan to Soliera | 811.45 mi (1,305.90 km) |
