| Portici to Seysses | 691.65 mi (1,113.11 km) |
| Portici to Sin-le-Noble | 852.17 mi (1,371.44 km) |
| Portici to Six-Fours-les-Plages | 465.04 mi (748.42 km) |
| Portici to Soissons | 797.54 mi (1,283.52 km) |
| Portici to Soisy-sous-Montmorency | 814.11 mi (1,310.19 km) |
| Portici to Sollies-Pont | 456.28 mi (734.30 km) |
| Portici to Somain | 846.83 mi (1,362.84 km) |
| Portici to Sorgues | 530.45 mi (853.67 km) |
| Portici to Sotteville-les-Rouen | 874.98 mi (1,408.14 km) |
| Portici to Soyaux | 784.59 mi (1,262.68 km) |
| Portici to Stains | 809.53 mi (1,302.81 km) |
| Portici to Stiring-Wendel | 682.15 mi (1,097.81 km) |
| Portici to Strasbourg | 626.07 mi (1,007.55 km) |
| Portici to Sucy-en-Brie | 796.73 mi (1,282.21 km) |
| Portici to Suresnes | 811.80 mi (1,306.46 km) |
