| Willebroek to Sin-le-Noble | 73.29 mi (117.94 km) |
| Willebroek to Six-Fours-les-Plages | 554.58 mi (892.52 km) |
| Willebroek to Soissons | 125.22 mi (201.52 km) |
| Willebroek to Soisy-sous-Montmorency | 170.42 mi (274.27 km) |
| Willebroek to Sollies-Pont | 549.85 mi (884.90 km) |
| Willebroek to Somain | 68.26 mi (109.86 km) |
| Willebroek to Sorgues | 488.26 mi (785.77 km) |
| Willebroek to Sotteville-les-Rouen | 184.59 mi (297.06 km) |
| Willebroek to Soyaux | 420.80 mi (677.21 km) |
| Willebroek to Stains | 170.71 mi (274.73 km) |
| Willebroek to Stiring-Wendel | 171.78 mi (276.45 km) |
| Willebroek to Strasbourg | 228.27 mi (367.36 km) |
| Willebroek to Sucy-en-Brie | 178.64 mi (287.49 km) |
| Willebroek to Suresnes | 179.25 mi (288.48 km) |
| Willebroek to Talant | 259.34 mi (417.38 km) |
