| Cwmbran to Seysses | 598.29 mi (962.85 km) |
| Cwmbran to Sin-le-Noble | 281.07 mi (452.34 km) |
| Cwmbran to Six-Fours-les-Plages | 720.16 mi (1,158.99 km) |
| Cwmbran to Soissons | 319.72 mi (514.53 km) |
| Cwmbran to Soisy-sous-Montmorency | 298.21 mi (479.92 km) |
| Cwmbran to Sollies-Pont | 720.90 mi (1,160.18 km) |
| Cwmbran to Somain | 288.10 mi (463.66 km) |
| Cwmbran to Sorgues | 641.87 mi (1,033.00 km) |
| Cwmbran to Sotteville-les-Rouen | 237.92 mi (382.89 km) |
| Cwmbran to Soyaux | 440.54 mi (708.99 km) |
| Cwmbran to Stains | 302.79 mi (487.30 km) |
| Cwmbran to Stiring-Wendel | 469.16 mi (755.03 km) |
| Cwmbran to Strasbourg | 521.38 mi (839.07 km) |
| Cwmbran to Sucy-en-Brie | 315.72 mi (508.11 km) |
| Cwmbran to Suresnes | 300.81 mi (484.11 km) |
