| Syston to Seysses | 645.21 mi (1,038.36 km) |
| Syston to Sin-le-Noble | 241.90 mi (389.31 km) |
| Syston to Six-Fours-les-Plages | 735.42 mi (1,183.55 km) |
| Syston to Soissons | 298.49 mi (480.37 km) |
| Syston to Soisy-sous-Montmorency | 295.77 mi (476.00 km) |
| Syston to Sollies-Pont | 734.25 mi (1,181.66 km) |
| Syston to Somain | 247.56 mi (398.41 km) |
| Syston to Sorgues | 659.25 mi (1,060.97 km) |
| Syston to Sotteville-les-Rouen | 246.10 mi (396.06 km) |
| Syston to Soyaux | 491.16 mi (790.45 km) |
| Syston to Stains | 299.89 mi (482.62 km) |
| Syston to Stiring-Wendel | 423.90 mi (682.21 km) |
| Syston to Strasbourg | 479.51 mi (771.69 km) |
| Syston to Sucy-en-Brie | 313.86 mi (505.11 km) |
| Syston to Suresnes | 301.27 mi (484.84 km) |
