| Merthyr Tudful to Tours | 351.33 mi (565.41 km) |
| Merthyr Tudful to Trappes | 313.65 mi (504.77 km) |
| Merthyr Tudful to Treillieres | 314.78 mi (506.59 km) |
| Merthyr Tudful to Trelaze | 324.20 mi (521.74 km) |
| Merthyr Tudful to Trets | 710.83 mi (1,143.97 km) |
| Merthyr Tudful to Triel-sur-Seine | 304.40 mi (489.88 km) |
| Merthyr Tudful to Troyes | 407.34 mi (655.55 km) |
| Merthyr Tudful to Tulle | 505.53 mi (813.58 km) |
| Merthyr Tudful to Urrugne | 584.28 mi (940.30 km) |
| Merthyr Tudful to Ussel | 500.26 mi (805.09 km) |
| Merthyr Tudful to Vaires-sur-Marne | 331.13 mi (532.90 km) |
| Merthyr Tudful to Valbonne | 737.93 mi (1,187.59 km) |
| Merthyr Tudful to Valence | 603.89 mi (971.86 km) |
| Merthyr Tudful to Valenciennes | 314.51 mi (506.16 km) |
| Merthyr Tudful to Valentigney | 543.76 mi (875.10 km) |
