| Royan to Sin-le-Noble | 379.58 mi (610.88 km) |
| Royan to Six-Fours-les-Plages | 381.00 mi (613.17 km) |
| Royan to Soissons | 330.01 mi (531.10 km) |
| Royan to Soisy-sous-Montmorency | 280.25 mi (451.02 km) |
| Royan to Sollies-Pont | 387.80 mi (624.10 km) |
| Royan to Somain | 383.22 mi (616.73 km) |
| Royan to Sorgues | 310.57 mi (499.82 km) |
| Royan to Sotteville-les-Rouen | 279.86 mi (450.39 km) |
| Royan to Soyaux | 59.96 mi (96.50 km) |
| Royan to Stains | 280.34 mi (451.16 km) |
| Royan to Stiring-Wendel | 446.88 mi (719.19 km) |
| Royan to Strasbourg | 460.80 mi (741.59 km) |
| Royan to Sucy-en-Brie | 274.33 mi (441.49 km) |
| Royan to Suresnes | 271.52 mi (436.96 km) |
| Royan to Talant | 311.08 mi (500.63 km) |
