| Boulogne-Billancourt to Sestao | 456.84 mi (735.22 km) |
| Boulogne-Billancourt to Sevilla | 901.30 mi (1,450.50 km) |
| Boulogne-Billancourt to Sevilla La Nueva | 662.08 mi (1,065.51 km) |
| Boulogne-Billancourt to Silla | 667.52 mi (1,074.27 km) |
| Boulogne-Billancourt to Silleda | 658.15 mi (1,059.20 km) |
| Boulogne-Billancourt to Sitges | 525.63 mi (845.92 km) |
| Boulogne-Billancourt to Socuellamos | 704.68 mi (1,134.07 km) |
| Boulogne-Billancourt to Soller | 626.98 mi (1,009.03 km) |
| Boulogne-Billancourt to Solsona | 473.95 mi (762.74 km) |
| Boulogne-Billancourt to Son Servera | 639.04 mi (1,028.44 km) |
| Boulogne-Billancourt to Sonseca | 701.00 mi (1,128.15 km) |
| Boulogne-Billancourt to Sopelana | 451.99 mi (727.41 km) |
| Boulogne-Billancourt to Soria | 539.05 mi (867.52 km) |
| Boulogne-Billancourt to Suances | 479.27 mi (771.31 km) |
| Boulogne-Billancourt to Sueca | 677.41 mi (1,090.19 km) |
