| Portsmouth to Saint-Nazaire | 249.32 mi (401.24 km) |
| Portsmouth to Saint-Omer | 146.32 mi (235.47 km) |
| Portsmouth to Saint-Orens-de-Gameville | 516.04 mi (830.48 km) |
| Portsmouth to Saint-Ouen | 200.81 mi (323.18 km) |
| Portsmouth to Saint-Ouen-l'Aumone | 187.17 mi (301.23 km) |
| Portsmouth to Saint-Paul-les-Dax | 489.20 mi (787.29 km) |
| Portsmouth to Saint-Paul-Trois-Chateaux | 522.62 mi (841.07 km) |
| Portsmouth to Saint-Philbert-de-Grand-Lieu | 261.74 mi (421.23 km) |
| Portsmouth to Saint-Pierre-des-Corps | 249.82 mi (402.04 km) |
| Portsmouth to Saint-Pierre-du-Mont | 479.09 mi (771.02 km) |
| Portsmouth to Saint-Pierre-du-Perray | 220.35 mi (354.61 km) |
| Portsmouth to Saint-Pol-sur-Mer | 150.25 mi (241.80 km) |
| Portsmouth to Saint-Priest | 448.68 mi (722.08 km) |
| Portsmouth to Saint-Quentin | 203.90 mi (328.15 km) |
| Portsmouth to Saint-Rambert | 441.01 mi (709.74 km) |
