| Pornic to Saint-Loubes | 171.84 mi (276.55 km) |
| Pornic to Saint-Louis | 453.69 mi (730.14 km) |
| Pornic to Saint-Lys | 295.45 mi (475.48 km) |
| Pornic to Saint-Malo | 106.10 mi (170.76 km) |
| Pornic to Saint-Mande | 240.72 mi (387.40 km) |
| Pornic to Saint-Martin-Boulogne | 301.55 mi (485.29 km) |
| Pornic to Saint-Martin-d'Heres | 399.81 mi (643.43 km) |
| Pornic to Saint-Martin-de-Crau | 412.46 mi (663.79 km) |
| Pornic to Saint-Maur-des-Fosses | 242.63 mi (390.47 km) |
| Pornic to Saint-Maurice | 240.60 mi (387.20 km) |
| Pornic to Saint-Max | 399.93 mi (643.62 km) |
| Pornic to Saint-Maximin-la-Sainte-Baume | 462.21 mi (743.85 km) |
| Pornic to Saint-Medard-en-Jalles | 167.15 mi (269.00 km) |
| Pornic to Saint-Michel-sur-Orge | 229.48 mi (369.31 km) |
| Pornic to Saint-Nazaire | 12.09 mi (19.46 km) |
