| Merthyr Tudful to Bad Salzuflen | 516.69 mi (831.54 km) |
| Merthyr Tudful to Bad Salzungen | 590.93 mi (951.01 km) |
| Merthyr Tudful to Bad Sassendorf | 494.38 mi (795.63 km) |
| Merthyr Tudful to Bad Schussenried | 634.14 mi (1,020.56 km) |
| Merthyr Tudful to Bad Schwalbach | 509.98 mi (820.74 km) |
| Merthyr Tudful to Bad Schwartau | 605.38 mi (974.26 km) |
| Merthyr Tudful to Bad Segeberg | 590.04 mi (949.58 km) |
| Merthyr Tudful to Bad Soden am Taunus | 528.35 mi (850.30 km) |
| Merthyr Tudful to Bad Soden-Salmunster | 562.65 mi (905.50 km) |
| Merthyr Tudful to Bad Sooden-Allendorf | 574.60 mi (924.72 km) |
| Merthyr Tudful to Bad Tolz | 719.60 mi (1,158.08 km) |
| Merthyr Tudful to Bad Urach | 607.94 mi (978.38 km) |
| Merthyr Tudful to Bad Vilbel | 537.49 mi (865.01 km) |
| Merthyr Tudful to Bad Waldsee | 640.79 mi (1,031.25 km) |
| Merthyr Tudful to Bad Wildbad | 565.34 mi (909.83 km) |
