| Llanelli to Seysses | 620.05 mi (997.87 km) |
| Llanelli to Sin-le-Noble | 328.96 mi (529.42 km) |
| Llanelli to Six-Fours-les-Plages | 753.38 mi (1,212.44 km) |
| Llanelli to Soissons | 365.02 mi (587.45 km) |
| Llanelli to Soisy-sous-Montmorency | 340.30 mi (547.66 km) |
| Llanelli to Sollies-Pont | 754.73 mi (1,214.62 km) |
| Llanelli to Somain | 336.06 mi (540.84 km) |
| Llanelli to Sorgues | 674.82 mi (1,086.01 km) |
| Llanelli to Sotteville-les-Rouen | 278.99 mi (448.99 km) |
| Llanelli to Soyaux | 462.37 mi (744.11 km) |
| Llanelli to Stains | 344.90 mi (555.07 km) |
| Llanelli to Stiring-Wendel | 516.76 mi (831.64 km) |
| Llanelli to Strasbourg | 568.44 mi (914.82 km) |
| Llanelli to Sucy-en-Brie | 357.38 mi (575.15 km) |
| Llanelli to Suresnes | 342.21 mi (550.73 km) |
