| Llanelli to Senftenberg | 778.28 mi (1,252.53 km) |
| Llanelli to Siegburg | 494.94 mi (796.53 km) |
| Llanelli to Siegen | 528.63 mi (850.74 km) |
| Llanelli to Sigmaringen | 644.20 mi (1,036.74 km) |
| Llanelli to Simbach am Inn | 796.89 mi (1,282.47 km) |
| Llanelli to Simmerath | 459.27 mi (739.13 km) |
| Llanelli to Sindelfingen | 616.38 mi (991.97 km) |
| Llanelli to Sinsheim | 596.97 mi (960.74 km) |
| Llanelli to Sinzheim | 580.37 mi (934.01 km) |
| Llanelli to Sinzig | 500.79 mi (805.94 km) |
| Llanelli to Soest | 525.81 mi (846.20 km) |
| Llanelli to Solingen | 485.35 mi (781.09 km) |
| Llanelli to Soltau | 596.72 mi (960.33 km) |
| Llanelli to Sommerda | 658.11 mi (1,059.12 km) |
| Llanelli to Sondershausen | 645.32 mi (1,038.54 km) |
