| Portchester to Seysses | 520.04 mi (836.93 km) |
| Portchester to Sin-le-Noble | 188.53 mi (303.42 km) |
| Portchester to Six-Fours-les-Plages | 626.37 mi (1,008.04 km) |
| Portchester to Soissons | 221.19 mi (355.97 km) |
| Portchester to Soisy-sous-Montmorency | 198.86 mi (320.04 km) |
| Portchester to Sollies-Pont | 626.49 mi (1,008.24 km) |
| Portchester to Somain | 195.83 mi (315.16 km) |
| Portchester to Sorgues | 548.58 mi (882.86 km) |
| Portchester to Sotteville-les-Rouen | 139.21 mi (224.04 km) |
| Portchester to Soyaux | 364.47 mi (586.55 km) |
| Portchester to Stains | 203.44 mi (327.40 km) |
| Portchester to Stiring-Wendel | 374.68 mi (602.99 km) |
| Portchester to Strasbourg | 425.40 mi (684.61 km) |
| Portchester to Sucy-en-Brie | 216.49 mi (348.40 km) |
| Portchester to Suresnes | 201.71 mi (324.61 km) |
