| Porto to Saint-Lo | 660.02 mi (1,062.20 km) |
| Porto to Saint-Loubes | 488.03 mi (785.41 km) |
| Porto to Saint-Louis | 912.14 mi (1,467.95 km) |
| Porto to Saint-Lys | 525.83 mi (846.24 km) |
| Porto to Saint-Malo | 609.68 mi (981.18 km) |
| Porto to Saint-Mande | 755.20 mi (1,215.37 km) |
| Porto to Saint-Martin-Boulogne | 822.59 mi (1,323.82 km) |
| Porto to Saint-Martin-d'Heres | 774.74 mi (1,246.82 km) |
| Porto to Saint-Martin-de-Crau | 705.63 mi (1,135.60 km) |
| Porto to Saint-Maur-des-Fosses | 756.10 mi (1,216.82 km) |
| Porto to Saint-Maurice | 754.68 mi (1,214.54 km) |
| Porto to Saint-Max | 890.48 mi (1,433.09 km) |
| Porto to Saint-Maximin-la-Sainte-Baume | 755.79 mi (1,216.32 km) |
| Porto to Saint-Medard-en-Jalles | 475.06 mi (764.54 km) |
| Porto to Saint-Michel-sur-Orge | 741.81 mi (1,193.82 km) |
