| Poperinge to Sin-le-Noble | 37.98 mi (61.12 km) |
| Poperinge to Six-Fours-les-Plages | 555.11 mi (893.36 km) |
| Poperinge to Soissons | 105.17 mi (169.25 km) |
| Poperinge to Soisy-sous-Montmorency | 130.37 mi (209.82 km) |
| Poperinge to Sollies-Pont | 551.97 mi (888.32 km) |
| Poperinge to Somain | 42.09 mi (67.74 km) |
| Poperinge to Sorgues | 483.51 mi (778.13 km) |
| Poperinge to Sotteville-les-Rouen | 123.37 mi (198.55 km) |
| Poperinge to Soyaux | 378.53 mi (609.18 km) |
| Poperinge to Stains | 132.48 mi (213.21 km) |
| Poperinge to Stiring-Wendel | 218.78 mi (352.09 km) |
| Poperinge to Strasbourg | 273.62 mi (440.35 km) |
| Poperinge to Sucy-en-Brie | 144.34 mi (232.30 km) |
| Poperinge to Suresnes | 138.97 mi (223.64 km) |
| Poperinge to Talant | 264.04 mi (424.93 km) |
