| Merthyr Tudful to Tonyrefail | 11.21 mi (18.05 km) |
| Merthyr Tudful to Torquay | 88.20 mi (141.95 km) |
| Merthyr Tudful to Torton | 71.21 mi (114.60 km) |
| Merthyr Tudful to Tottenham | 142.18 mi (228.81 km) |
| Merthyr Tudful to Totteridge | 136.31 mi (219.38 km) |
| Merthyr Tudful to Tottington | 136.33 mi (219.41 km) |
| Merthyr Tudful to Towcester | 105.18 mi (169.26 km) |
| Merthyr Tudful to Tranent | 290.84 mi (468.07 km) |
| Merthyr Tudful to Tredegar | 6.34 mi (10.20 km) |
| Merthyr Tudful to Trentham | 98.27 mi (158.15 km) |
| Merthyr Tudful to Tring | 116.30 mi (187.16 km) |
| Merthyr Tudful to Troon | 267.54 mi (430.56 km) |
| Merthyr Tudful to Trowbridge | 58.16 mi (93.61 km) |
| Merthyr Tudful to Truro | 125.65 mi (202.22 km) |
| Merthyr Tudful to Twickenham | 132.08 mi (212.57 km) |
