| Piedras Blancas to Sestu | 832.75 mi (1,340.18 km) |
| Piedras Blancas to Settimo Torinese | 686.81 mi (1,105.31 km) |
| Piedras Blancas to Seveso | 756.10 mi (1,216.83 km) |
| Piedras Blancas to Sezze | 977.77 mi (1,573.57 km) |
| Piedras Blancas to Siano | 1,072.42 mi (1,725.90 km) |
| Piedras Blancas to Siena | 866.89 mi (1,395.12 km) |
| Piedras Blancas to Signa | 852.01 mi (1,371.18 km) |
| Piedras Blancas to Silea | 908.35 mi (1,461.86 km) |
| Piedras Blancas to Silvi Paese | 1,014.33 mi (1,632.40 km) |
| Piedras Blancas to Sinalunga | 887.84 mi (1,428.84 km) |
| Piedras Blancas to Siniscola | 828.52 mi (1,333.37 km) |
| Piedras Blancas to Sinnai | 838.03 mi (1,348.67 km) |
| Piedras Blancas to Siracusa | 1,202.40 mi (1,935.07 km) |
| Piedras Blancas to Solaro | 753.34 mi (1,212.39 km) |
| Piedras Blancas to Soliera | 840.28 mi (1,352.31 km) |
