| Puerto Real to Sestu | 853.68 mi (1,373.86 km) |
| Puerto Real to Settimo Torinese | 938.91 mi (1,511.03 km) |
| Puerto Real to Seveso | 1,013.80 mi (1,631.55 km) |
| Puerto Real to Sezze | 1,086.68 mi (1,748.85 km) |
| Puerto Real to Siano | 1,161.71 mi (1,869.59 km) |
| Puerto Real to Siena | 1,037.44 mi (1,669.59 km) |
| Puerto Real to Signa | 1,038.70 mi (1,671.62 km) |
| Puerto Real to Silea | 1,146.52 mi (1,845.14 km) |
| Puerto Real to Silvi Paese | 1,155.75 mi (1,859.99 km) |
| Puerto Real to Sinalunga | 1,053.93 mi (1,696.13 km) |
| Puerto Real to Siniscola | 901.34 mi (1,450.57 km) |
| Puerto Real to Sinnai | 859.60 mi (1,383.40 km) |
| Puerto Real to Siracusa | 1,186.42 mi (1,909.36 km) |
| Puerto Real to Solaro | 1,010.56 mi (1,626.34 km) |
| Puerto Real to Soliera | 1,058.39 mi (1,703.32 km) |
