| Porcia to Saint-Nazaire | 708.46 mi (1,140.16 km) |
| Porcia to Saint-Omer | 578.13 mi (930.40 km) |
| Porcia to Saint-Orens-de-Gameville | 568.20 mi (914.43 km) |
| Porcia to Saint-Ouen | 521.31 mi (838.96 km) |
| Porcia to Saint-Ouen-l'Aumone | 533.88 mi (859.19 km) |
| Porcia to Saint-Paul-les-Dax | 686.37 mi (1,104.60 km) |
| Porcia to Saint-Paul-Trois-Chateaux | 398.18 mi (640.81 km) |
| Porcia to Saint-Philbert-de-Grand-Lieu | 681.09 mi (1,096.11 km) |
| Porcia to Saint-Pierre-des-Corps | 571.50 mi (919.75 km) |
| Porcia to Saint-Pierre-du-Mont | 657.74 mi (1,058.53 km) |
| Porcia to Saint-Pierre-du-Perray | 507.87 mi (817.35 km) |
| Porcia to Saint-Pol-sur-Mer | 585.35 mi (942.03 km) |
| Porcia to Saint-Priest | 369.67 mi (594.93 km) |
| Porcia to Saint-Quentin | 508.05 mi (817.63 km) |
| Porcia to Saint-Rambert | 405.08 mi (651.92 km) |
