| Llanelli to Shotley Bridge | 239.78 mi (385.89 km) |
| Llanelli to Shrewsbury | 92.55 mi (148.95 km) |
| Llanelli to Sidcup | 184.08 mi (296.24 km) |
| Llanelli to Sidmouth | 80.08 mi (128.88 km) |
| Llanelli to Sileby | 148.26 mi (238.60 km) |
| Llanelli to Sittingbourne | 212.12 mi (341.38 km) |
| Llanelli to Skegness | 214.96 mi (345.94 km) |
| Llanelli to Skelmersdale | 141.44 mi (227.63 km) |
| Llanelli to Skipton | 181.13 mi (291.51 km) |
| Llanelli to Sleaford | 182.39 mi (293.52 km) |
| Llanelli to Slough | 153.90 mi (247.68 km) |
| Llanelli to Small Heath | 111.84 mi (179.99 km) |
| Llanelli to Smethwick | 108.64 mi (174.84 km) |
| Llanelli to Snaresbrook | 179.25 mi (288.48 km) |
| Llanelli to Snodland | 199.73 mi (321.43 km) |
