| Merthyr Tudful to Tadley | 100.00 mi (160.94 km) |
| Merthyr Tudful to Tadworth | 138.34 mi (222.64 km) |
| Merthyr Tudful to Tamworth | 94.14 mi (151.51 km) |
| Merthyr Tudful to Taunton | 51.44 mi (82.78 km) |
| Merthyr Tudful to Tavistock | 89.28 mi (143.68 km) |
| Merthyr Tudful to Teignmouth | 82.46 mi (132.71 km) |
| Merthyr Tudful to Telford | 75.60 mi (121.66 km) |
| Merthyr Tudful to Tewkesbury | 54.70 mi (88.02 km) |
| Merthyr Tudful to Thame | 103.01 mi (165.77 km) |
| Merthyr Tudful to Thames Ditton | 133.12 mi (214.24 km) |
| Merthyr Tudful to Thatcham | 93.73 mi (150.85 km) |
| Merthyr Tudful to Thatto Heath | 119.87 mi (192.91 km) |
| Merthyr Tudful to The Mumbles | 29.10 mi (46.83 km) |
| Merthyr Tudful to Thetford | 180.81 mi (290.99 km) |
| Merthyr Tudful to Thornaby on Tees | 212.67 mi (342.26 km) |
