| Alcala de Guadaira to Sestu | 820.33 mi (1,320.19 km) |
| Alcala de Guadaira to Settimo Torinese | 887.39 mi (1,428.11 km) |
| Alcala de Guadaira to Seveso | 962.47 mi (1,548.95 km) |
| Alcala de Guadaira to Sezze | 1,047.54 mi (1,685.85 km) |
| Alcala de Guadaira to Siano | 1,125.05 mi (1,810.59 km) |
| Alcala de Guadaira to Siena | 992.55 mi (1,597.35 km) |
| Alcala de Guadaira to Signa | 992.55 mi (1,597.35 km) |
| Alcala de Guadaira to Silea | 1,097.32 mi (1,765.96 km) |
| Alcala de Guadaira to Silvi Paese | 1,114.26 mi (1,793.23 km) |
| Alcala de Guadaira to Sinalunga | 1,009.54 mi (1,624.70 km) |
| Alcala de Guadaira to Siniscola | 863.51 mi (1,389.68 km) |
| Alcala de Guadaira to Sinnai | 826.28 mi (1,329.77 km) |
| Alcala de Guadaira to Siracusa | 1,160.99 mi (1,868.43 km) |
| Alcala de Guadaira to Solaro | 959.24 mi (1,543.75 km) |
| Alcala de Guadaira to Soliera | 1,010.05 mi (1,625.52 km) |
