| Riom to Saint-Omer | 337.70 mi (543.47 km) |
| Riom to Saint-Orens-de-Gameville | 179.41 mi (288.74 km) |
| Riom to Saint-Ouen | 211.72 mi (340.73 km) |
| Riom to Saint-Ouen-l'Aumone | 222.68 mi (358.37 km) |
| Riom to Saint-Paul-les-Dax | 253.17 mi (407.45 km) |
| Riom to Saint-Paul-Trois-Chateaux | 133.82 mi (215.36 km) |
| Riom to Saint-Philbert-de-Grand-Lieu | 239.49 mi (385.42 km) |
| Riom to Saint-Pierre-des-Corps | 153.27 mi (246.66 km) |
| Riom to Saint-Pierre-du-Mont | 225.61 mi (363.08 km) |
| Riom to Saint-Pierre-du-Perray | 190.11 mi (305.96 km) |
| Riom to Saint-Pol-sur-Mer | 356.72 mi (574.09 km) |
| Riom to Saint-Priest | 89.30 mi (143.71 km) |
| Riom to Saint-Quentin | 273.38 mi (439.97 km) |
| Riom to Saint-Rambert | 60.85 mi (97.92 km) |
| Riom to Saint-Raphael | 247.68 mi (398.60 km) |
