| Royan to Saint-Brieuc | 215.52 mi (346.84 km) |
| Royan to Saint-Chamas | 331.48 mi (533.46 km) |
| Royan to Saint-Chamond | 269.08 mi (433.04 km) |
| Royan to Saint-Claude | 335.52 mi (539.96 km) |
| Royan to Saint-Cloud | 269.83 mi (434.25 km) |
| Royan to Saint-Cyprien | 288.80 mi (464.79 km) |
| Royan to Saint-Cyr-l'Ecole | 263.46 mi (423.99 km) |
| Royan to Saint-Cyr-sur-Loire | 147.70 mi (237.70 km) |
| Royan to Saint-Cyr-sur-Mer | 373.31 mi (600.78 km) |
| Royan to Saint-Denis | 278.75 mi (448.60 km) |
| Royan to Saint-Die-des-Vosges | 419.11 mi (674.49 km) |
| Royan to Saint-Dizier | 350.19 mi (563.58 km) |
| Royan to Saint-Doulchard | 192.16 mi (309.26 km) |
| Royan to Saint-Egreve | 327.18 mi (526.54 km) |
| Royan to Saint-Esteve | 278.31 mi (447.89 km) |
