| Merthyr Tudful to Stonehaven | 363.77 mi (585.43 km) |
| Merthyr Tudful to Stourbridge | 71.85 mi (115.63 km) |
| Merthyr Tudful to Stowmarket | 188.88 mi (303.98 km) |
| Merthyr Tudful to Stranraer | 228.61 mi (367.92 km) |
| Merthyr Tudful to Stratford | 145.38 mi (233.96 km) |
| Merthyr Tudful to Stratford-upon-Avon | 77.65 mi (124.96 km) |
| Merthyr Tudful to Stratton Saint Margaret | 70.10 mi (112.81 km) |
| Merthyr Tudful to Streatham | 141.39 mi (227.55 km) |
| Merthyr Tudful to Street | 50.91 mi (81.93 km) |
| Merthyr Tudful to Streetly | 85.62 mi (137.78 km) |
| Merthyr Tudful to Stretford | 125.97 mi (202.73 km) |
| Merthyr Tudful to Strood | 167.34 mi (269.31 km) |
| Merthyr Tudful to Stroud | 49.75 mi (80.07 km) |
| Merthyr Tudful to Sudbury | 131.75 mi (212.02 km) |
| Merthyr Tudful to Sudbury | 176.28 mi (283.69 km) |
