| Merthyr Tudful to Travagliato | 747.97 mi (1,203.75 km) |
| Merthyr Tudful to Traversetolo | 799.39 mi (1,286.50 km) |
| Merthyr Tudful to Trebaseleghe | 820.25 mi (1,320.06 km) |
| Merthyr Tudful to Trebisacce | 1,254.81 mi (2,019.42 km) |
| Merthyr Tudful to Trecastagni | 1,324.87 mi (2,132.17 km) |
| Merthyr Tudful to Trecate | 703.06 mi (1,131.47 km) |
| Merthyr Tudful to Treia | 968.73 mi (1,559.02 km) |
| Merthyr Tudful to Trento | 764.26 mi (1,229.96 km) |
| Merthyr Tudful to Trentola | 1,114.62 mi (1,793.81 km) |
| Merthyr Tudful to Trepuzzi | 1,284.45 mi (2,067.13 km) |
| Merthyr Tudful to Trescore Balneario | 731.66 mi (1,177.50 km) |
| Merthyr Tudful to Treviglio | 730.12 mi (1,175.01 km) |
| Merthyr Tudful to Trevignano | 815.79 mi (1,312.88 km) |
| Merthyr Tudful to Treviso | 824.06 mi (1,326.19 km) |
| Merthyr Tudful to Trezzano sul Naviglio | 715.01 mi (1,150.70 km) |
