| Penarth to Seysses | 586.39 mi (943.71 km) |
| Penarth to Sin-le-Noble | 283.46 mi (456.18 km) |
| Penarth to Six-Fours-les-Plages | 712.21 mi (1,146.19 km) |
| Penarth to Soissons | 318.90 mi (513.23 km) |
| Penarth to Soisy-sous-Montmorency | 294.79 mi (474.41 km) |
| Penarth to Sollies-Pont | 713.21 mi (1,147.80 km) |
| Penarth to Somain | 290.61 mi (467.69 km) |
| Penarth to Sorgues | 633.78 mi (1,019.98 km) |
| Penarth to Sotteville-les-Rouen | 233.75 mi (376.18 km) |
| Penarth to Soyaux | 428.56 mi (689.70 km) |
| Penarth to Stains | 299.39 mi (481.81 km) |
| Penarth to Stiring-Wendel | 471.01 mi (758.01 km) |
| Penarth to Strasbourg | 522.47 mi (840.84 km) |
| Penarth to Sucy-en-Brie | 312.01 mi (502.14 km) |
| Penarth to Suresnes | 296.91 mi (477.84 km) |
