| Piedras Blancas to Solofra | 1,079.58 mi (1,737.41 km) |
| Piedras Blancas to Somma Lombardo | 735.38 mi (1,183.48 km) |
| Piedras Blancas to Somma Vesuviana | 1,058.14 mi (1,702.90 km) |
| Piedras Blancas to Sommacampagna | 837.58 mi (1,347.96 km) |
| Piedras Blancas to Sona | 836.88 mi (1,346.84 km) |
| Piedras Blancas to Sondrio | 795.21 mi (1,279.77 km) |
| Piedras Blancas to Sora | 1,001.60 mi (1,611.92 km) |
| Piedras Blancas to Sorbolo | 816.95 mi (1,314.76 km) |
| Piedras Blancas to Soresina | 789.02 mi (1,269.81 km) |
| Piedras Blancas to Sorisole | 781.66 mi (1,257.96 km) |
| Piedras Blancas to Sorrento | 1,060.00 mi (1,705.91 km) |
| Piedras Blancas to Sorso | 768.07 mi (1,236.09 km) |
| Piedras Blancas to Sortino | 1,186.88 mi (1,910.09 km) |
| Piedras Blancas to Soverato Marina | 1,215.63 mi (1,956.36 km) |
| Piedras Blancas to Sovicille | 862.29 mi (1,387.72 km) |
