| Portsmouth to Saint-Lo | 116.86 mi (188.08 km) |
| Portsmouth to Saint-Loubes | 408.00 mi (656.62 km) |
| Portsmouth to Saint-Louis | 449.19 mi (722.91 km) |
| Portsmouth to Saint-Lys | 514.85 mi (828.56 km) |
| Portsmouth to Saint-Malo | 154.54 mi (248.72 km) |
| Portsmouth to Saint-Mande | 206.91 mi (332.98 km) |
| Portsmouth to Saint-Martin-Boulogne | 118.96 mi (191.45 km) |
| Portsmouth to Saint-Martin-d'Heres | 501.75 mi (807.49 km) |
| Portsmouth to Saint-Martin-de-Crau | 566.84 mi (912.24 km) |
| Portsmouth to Saint-Maur-des-Fosses | 211.63 mi (340.58 km) |
| Portsmouth to Saint-Maurice | 208.56 mi (335.65 km) |
| Portsmouth to Saint-Max | 356.39 mi (573.56 km) |
| Portsmouth to Saint-Maximin-la-Sainte-Baume | 603.37 mi (971.02 km) |
| Portsmouth to Saint-Medard-en-Jalles | 408.66 mi (657.68 km) |
| Portsmouth to Saint-Michel-sur-Orge | 213.22 mi (343.14 km) |
