| Merthyr Tudful to Droylsden | 130.64 mi (210.25 km) |
| Merthyr Tudful to Dudley | 76.05 mi (122.39 km) |
| Merthyr Tudful to Dukinfield | 131.36 mi (211.40 km) |
| Merthyr Tudful to Dumbarton | 294.67 mi (474.23 km) |
| Merthyr Tudful to Dumfries | 230.06 mi (370.25 km) |
| Merthyr Tudful to Dunbar | 296.39 mi (477.00 km) |
| Merthyr Tudful to Dunblane | 307.76 mi (495.29 km) |
| Merthyr Tudful to Dundee | 326.47 mi (525.40 km) |
| Merthyr Tudful to Dunfermline | 299.11 mi (481.37 km) |
| Merthyr Tudful to Dunstable | 122.43 mi (197.03 km) |
| Merthyr Tudful to Durham | 222.43 mi (357.96 km) |
| Merthyr Tudful to Ealing | 132.97 mi (213.99 km) |
| Merthyr Tudful to Earlestown | 121.83 mi (196.07 km) |
| Merthyr Tudful to Earley | 107.12 mi (172.39 km) |
| Merthyr Tudful to East Barnet | 137.86 mi (221.86 km) |
