| Petite-Synthe to Sestao | 588.94 mi (947.81 km) |
| Petite-Synthe to Sevilla | 1,036.71 mi (1,668.43 km) |
| Petite-Synthe to Sevilla La Nueva | 798.60 mi (1,285.22 km) |
| Petite-Synthe to Silla | 816.72 mi (1,314.38 km) |
| Petite-Synthe to Silleda | 760.60 mi (1,224.06 km) |
| Petite-Synthe to Sitges | 676.87 mi (1,089.32 km) |
| Petite-Synthe to Socuellamos | 847.82 mi (1,364.44 km) |
| Petite-Synthe to Soller | 777.92 mi (1,251.94 km) |
| Petite-Synthe to Solsona | 625.07 mi (1,005.96 km) |
| Petite-Synthe to Son Servera | 789.32 mi (1,270.29 km) |
| Petite-Synthe to Sonseca | 839.29 mi (1,350.70 km) |
| Petite-Synthe to Sopelana | 583.94 mi (939.75 km) |
| Petite-Synthe to Soria | 679.16 mi (1,093.01 km) |
| Petite-Synthe to Suances | 603.83 mi (971.76 km) |
| Petite-Synthe to Sueca | 826.84 mi (1,330.66 km) |
