| Piran to Sestao | 830.56 mi (1,336.65 km) |
| Piran to Sevilla | 1,160.00 mi (1,866.84 km) |
| Piran to Sevilla La Nueva | 956.85 mi (1,539.91 km) |
| Piran to Silla | 828.62 mi (1,333.54 km) |
| Piran to Silleda | 1,095.45 mi (1,762.96 km) |
| Piran to Sitges | 660.19 mi (1,062.48 km) |
| Piran to Socuellamos | 936.89 mi (1,507.77 km) |
| Piran to Soller | 679.86 mi (1,094.13 km) |
| Piran to Solsona | 648.19 mi (1,043.16 km) |
| Piran to Son Servera | 659.70 mi (1,061.69 km) |
| Piran to Sonseca | 974.87 mi (1,568.90 km) |
| Piran to Sopelana | 827.92 mi (1,332.41 km) |
| Piran to Soria | 841.06 mi (1,353.55 km) |
| Piran to Suances | 878.66 mi (1,414.07 km) |
| Piran to Sueca | 830.77 mi (1,336.99 km) |
