| Colwyn Bay to Dillenburg | 538.58 mi (866.76 km) |
| Colwyn Bay to Dillingen | 696.25 mi (1,120.50 km) |
| Colwyn Bay to Dillingen | 525.63 mi (845.91 km) |
| Colwyn Bay to Dingolfing | 772.66 mi (1,243.48 km) |
| Colwyn Bay to Dinkelsbuhl | 672.04 mi (1,081.54 km) |
| Colwyn Bay to Dinklage | 493.60 mi (794.37 km) |
| Colwyn Bay to Dinslaken | 454.93 mi (732.14 km) |
| Colwyn Bay to Dippoldiswalde | 753.57 mi (1,212.76 km) |
| Colwyn Bay to Ditzingen | 633.13 mi (1,018.93 km) |
| Colwyn Bay to Dobeln | 725.72 mi (1,167.93 km) |
| Colwyn Bay to Doberlug-Kirchhain | 734.30 mi (1,181.74 km) |
| Colwyn Bay to Donaueschingen | 648.35 mi (1,043.42 km) |
| Colwyn Bay to Donauworth | 704.07 mi (1,133.08 km) |
| Colwyn Bay to Donzdorf | 667.03 mi (1,073.48 km) |
| Colwyn Bay to Dorfen | 772.31 mi (1,242.91 km) |
