| Merthyr Tudful to Stephanskirchen | 742.52 mi (1,194.98 km) |
| Merthyr Tudful to Stockach | 613.45 mi (987.25 km) |
| Merthyr Tudful to Stockelsdorf | 603.09 mi (970.59 km) |
| Merthyr Tudful to Stolberg | 420.73 mi (677.11 km) |
| Merthyr Tudful to Stollberg | 701.27 mi (1,128.59 km) |
| Merthyr Tudful to Straelen | 414.15 mi (666.51 km) |
| Merthyr Tudful to Stralsund | 704.81 mi (1,134.29 km) |
| Merthyr Tudful to Straubing | 729.06 mi (1,173.31 km) |
| Merthyr Tudful to Strausberg | 732.12 mi (1,178.23 km) |
| Merthyr Tudful to Stuhr | 518.37 mi (834.24 km) |
| Merthyr Tudful to Stuttgart | 590.41 mi (950.17 km) |
| Merthyr Tudful to Sudlohn | 437.16 mi (703.54 km) |
| Merthyr Tudful to Suhl | 613.52 mi (987.37 km) |
| Merthyr Tudful to Sulingen | 518.95 mi (835.18 km) |
| Merthyr Tudful to Sulz am Neckar | 580.83 mi (934.76 km) |
