| Castelldefels to Seysses | 156.96 mi (252.60 km) |
| Castelldefels to Sin-le-Noble | 629.94 mi (1,013.79 km) |
| Castelldefels to Six-Fours-les-Plages | 233.50 mi (375.78 km) |
| Castelldefels to Soissons | 563.56 mi (906.96 km) |
| Castelldefels to Soisy-sous-Montmorency | 532.79 mi (857.44 km) |
| Castelldefels to Sollies-Pont | 246.22 mi (396.25 km) |
| Castelldefels to Somain | 630.30 mi (1,014.37 km) |
| Castelldefels to Sorgues | 239.12 mi (384.83 km) |
| Castelldefels to Sotteville-les-Rouen | 563.31 mi (906.56 km) |
| Castelldefels to Soyaux | 314.18 mi (505.62 km) |
| Castelldefels to Stains | 530.31 mi (853.46 km) |
| Castelldefels to Stiring-Wendel | 597.59 mi (961.72 km) |
| Castelldefels to Strasbourg | 577.75 mi (929.81 km) |
| Castelldefels to Sucy-en-Brie | 518.17 mi (833.92 km) |
| Castelldefels to Suresnes | 524.55 mi (844.18 km) |
