| Pornichet to Sin-le-Noble | 327.50 mi (527.05 km) |
| Pornichet to Six-Fours-les-Plages | 490.22 mi (788.93 km) |
| Pornichet to Soissons | 298.34 mi (480.13 km) |
| Pornichet to Soisy-sous-Montmorency | 244.77 mi (393.92 km) |
| Pornichet to Sollies-Pont | 495.18 mi (796.91 km) |
| Pornichet to Somain | 333.05 mi (535.99 km) |
| Pornichet to Sorgues | 414.55 mi (667.15 km) |
| Pornichet to Sotteville-les-Rouen | 216.18 mi (347.90 km) |
| Pornichet to Soyaux | 164.93 mi (265.43 km) |
| Pornichet to Stains | 246.97 mi (397.47 km) |
| Pornichet to Stiring-Wendel | 446.70 mi (718.90 km) |
| Pornichet to Strasbourg | 475.39 mi (765.06 km) |
| Pornichet to Sucy-en-Brie | 247.54 mi (398.38 km) |
| Pornichet to Suresnes | 237.88 mi (382.83 km) |
| Pornichet to Talant | 344.09 mi (553.76 km) |
