| Llantrisant to Dillenburg | 507.95 mi (817.46 km) |
| Llantrisant to Dillingen | 646.37 mi (1,040.22 km) |
| Llantrisant to Dillingen | 469.37 mi (755.38 km) |
| Llantrisant to Dingolfing | 730.23 mi (1,175.19 km) |
| Llantrisant to Dinkelsbuhl | 626.91 mi (1,008.91 km) |
| Llantrisant to Dinklage | 493.99 mi (795.00 km) |
| Llantrisant to Dinslaken | 433.91 mi (698.32 km) |
| Llantrisant to Dippoldiswalde | 737.21 mi (1,186.42 km) |
| Llantrisant to Ditzingen | 580.68 mi (934.52 km) |
| Llantrisant to Dobeln | 710.89 mi (1,144.06 km) |
| Llantrisant to Doberlug-Kirchhain | 725.81 mi (1,168.07 km) |
| Llantrisant to Donaueschingen | 584.51 mi (940.68 km) |
| Llantrisant to Donauworth | 656.72 mi (1,056.88 km) |
| Llantrisant to Donzdorf | 615.95 mi (991.27 km) |
| Llantrisant to Dorfen | 725.35 mi (1,167.33 km) |
