| Saint-Pol-sur-Mer to Sestao | 589.27 mi (948.34 km) |
| Saint-Pol-sur-Mer to Sevilla | 1,037.05 mi (1,668.97 km) |
| Saint-Pol-sur-Mer to Sevilla La Nueva | 798.95 mi (1,285.79 km) |
| Saint-Pol-sur-Mer to Silla | 817.21 mi (1,315.17 km) |
| Saint-Pol-sur-Mer to Silleda | 760.73 mi (1,224.27 km) |
| Saint-Pol-sur-Mer to Sitges | 677.43 mi (1,090.22 km) |
| Saint-Pol-sur-Mer to Socuellamos | 848.24 mi (1,365.11 km) |
| Saint-Pol-sur-Mer to Soller | 778.50 mi (1,252.88 km) |
| Saint-Pol-sur-Mer to Solsona | 625.62 mi (1,006.84 km) |
| Saint-Pol-sur-Mer to Son Servera | 789.92 mi (1,271.25 km) |
| Saint-Pol-sur-Mer to Sonseca | 839.66 mi (1,351.30 km) |
| Saint-Pol-sur-Mer to Sopelana | 584.27 mi (940.29 km) |
| Saint-Pol-sur-Mer to Soria | 679.56 mi (1,093.64 km) |
| Saint-Pol-sur-Mer to Suances | 604.11 mi (972.21 km) |
| Saint-Pol-sur-Mer to Sueca | 827.33 mi (1,331.46 km) |
