| Riom to Sin-le-Noble | 308.81 mi (496.99 km) |
| Riom to Six-Fours-les-Plages | 234.57 mi (377.50 km) |
| Riom to Soissons | 241.20 mi (388.18 km) |
| Riom to Soisy-sous-Montmorency | 217.13 mi (349.44 km) |
| Riom to Sollies-Pont | 235.96 mi (379.74 km) |
| Riom to Somain | 308.52 mi (496.52 km) |
| Riom to Sorgues | 156.11 mi (251.24 km) |
| Riom to Sotteville-les-Rouen | 260.48 mi (419.20 km) |
| Riom to Soyaux | 141.56 mi (227.82 km) |
| Riom to Stains | 213.91 mi (344.25 km) |
| Riom to Stiring-Wendel | 289.53 mi (465.95 km) |
| Riom to Strasbourg | 285.88 mi (460.07 km) |
| Riom to Sucy-en-Brie | 200.63 mi (322.88 km) |
| Riom to Suresnes | 209.84 mi (337.71 km) |
| Riom to Talant | 134.19 mi (215.96 km) |
