| Merthyr Tudful to Tecuci | 1,447.93 mi (2,330.22 km) |
| Merthyr Tudful to Timisoara | 1,187.87 mi (1,911.70 km) |
| Merthyr Tudful to Titu | 1,408.90 mi (2,267.40 km) |
| Merthyr Tudful to Toflea | 1,437.05 mi (2,312.72 km) |
| Merthyr Tudful to Toplita | 1,325.99 mi (2,133.97 km) |
| Merthyr Tudful to Topoloveni | 1,383.12 mi (2,225.91 km) |
| Merthyr Tudful to Tulcea | 1,527.92 mi (2,458.94 km) |
| Merthyr Tudful to Turda | 1,270.04 mi (2,043.93 km) |
| Merthyr Tudful to Turnu Magurele | 1,412.48 mi (2,273.16 km) |
| Merthyr Tudful to Uricani | 1,283.24 mi (2,065.17 km) |
| Merthyr Tudful to Urlati | 1,425.30 mi (2,293.80 km) |
| Merthyr Tudful to Urziceni | 1,452.32 mi (2,337.28 km) |
| Merthyr Tudful to Valea lui Mihai | 1,171.60 mi (1,885.51 km) |
| Merthyr Tudful to Valenii de Munte | 1,410.57 mi (2,270.10 km) |
| Merthyr Tudful to Valu lui Traian | 1,548.60 mi (2,492.23 km) |
