| Merthyr Tudful to Tomarza | 2,087.37 mi (3,359.29 km) |
| Merthyr Tudful to Tomuk | 2,107.86 mi (3,392.28 km) |
| Merthyr Tudful to Tonya | 2,134.15 mi (3,434.59 km) |
| Merthyr Tudful to Toprakkale | 2,163.02 mi (3,481.05 km) |
| Merthyr Tudful to Torbali | 1,752.06 mi (2,819.67 km) |
| Merthyr Tudful to Tortum | 2,257.70 mi (3,633.42 km) |
| Merthyr Tudful to Torul | 2,147.28 mi (3,455.71 km) |
| Merthyr Tudful to Tosya | 1,905.28 mi (3,066.26 km) |
| Merthyr Tudful to Trabzon | 2,147.79 mi (3,456.54 km) |
| Merthyr Tudful to Tufanbeyli | 2,113.12 mi (3,400.74 km) |
| Merthyr Tudful to Tunceli | 2,217.86 mi (3,569.30 km) |
| Merthyr Tudful to Turgutalp | 1,714.40 mi (2,759.05 km) |
| Merthyr Tudful to Turgutlu | 1,750.19 mi (2,816.65 km) |
| Merthyr Tudful to Turgutreis | 1,802.63 mi (2,901.05 km) |
| Merthyr Tudful to Turhal | 2,017.73 mi (3,247.22 km) |
