| Merthyr Tudful to Torgelow | 737.43 mi (1,186.78 km) |
| Merthyr Tudful to Tornesch | 563.54 mi (906.93 km) |
| Merthyr Tudful to Tostedt | 559.97 mi (901.18 km) |
| Merthyr Tudful to Traunreut | 755.48 mi (1,215.83 km) |
| Merthyr Tudful to Traunstein | 760.63 mi (1,224.11 km) |
| Merthyr Tudful to Trebbin | 704.73 mi (1,134.16 km) |
| Merthyr Tudful to Trebur | 528.85 mi (851.10 km) |
| Merthyr Tudful to Treuchtlingen | 657.46 mi (1,058.08 km) |
| Merthyr Tudful to Trier | 458.57 mi (738.00 km) |
| Merthyr Tudful to Trittau | 590.47 mi (950.28 km) |
| Merthyr Tudful to Troisdorf | 459.32 mi (739.21 km) |
| Merthyr Tudful to Trossingen | 590.64 mi (950.55 km) |
| Merthyr Tudful to Trostberg an der Alz | 752.58 mi (1,211.16 km) |
| Merthyr Tudful to Tubingen | 593.07 mi (954.45 km) |
| Merthyr Tudful to Tuttlingen | 601.26 mi (967.64 km) |
