| Pornic to Saint-Omer | 319.63 mi (514.39 km) |
| Pornic to Saint-Orens-de-Gameville | 303.01 mi (487.64 km) |
| Pornic to Saint-Ouen | 239.69 mi (385.74 km) |
| Pornic to Saint-Ouen-l'Aumone | 235.76 mi (379.43 km) |
| Pornic to Saint-Paul-les-Dax | 239.70 mi (385.75 km) |
| Pornic to Saint-Paul-Trois-Chateaux | 382.39 mi (615.40 km) |
| Pornic to Saint-Philbert-de-Grand-Lieu | 22.50 mi (36.21 km) |
| Pornic to Saint-Pierre-des-Corps | 134.13 mi (215.87 km) |
| Pornic to Saint-Pierre-du-Mont | 236.17 mi (380.09 km) |
| Pornic to Saint-Pierre-du-Perray | 236.89 mi (381.24 km) |
| Pornic to Saint-Pol-sur-Mer | 337.09 mi (542.49 km) |
| Pornic to Saint-Priest | 349.65 mi (562.71 km) |
| Pornic to Saint-Quentin | 310.66 mi (499.95 km) |
| Pornic to Saint-Rambert | 322.58 mi (519.14 km) |
| Pornic to Saint-Raphael | 500.66 mi (805.74 km) |
