| Ostend to Sin-le-Noble | 60.20 mi (96.89 km) |
| Ostend to Six-Fours-les-Plages | 577.55 mi (929.48 km) |
| Ostend to Soissons | 128.66 mi (207.05 km) |
| Ostend to Soisy-sous-Montmorency | 157.05 mi (252.75 km) |
| Ostend to Sollies-Pont | 574.09 mi (923.91 km) |
| Ostend to Somain | 62.03 mi (99.83 km) |
| Ostend to Sorgues | 506.86 mi (815.71 km) |
| Ostend to Sotteville-les-Rouen | 149.21 mi (240.14 km) |
| Ostend to Soyaux | 405.51 mi (652.61 km) |
| Ostend to Stains | 159.03 mi (255.93 km) |
| Ostend to Stiring-Wendel | 225.83 mi (363.44 km) |
| Ostend to Strasbourg | 281.79 mi (453.50 km) |
| Ostend to Sucy-en-Brie | 170.61 mi (274.57 km) |
| Ostend to Suresnes | 165.70 mi (266.67 km) |
| Ostend to Talant | 284.68 mi (458.14 km) |
