| Caerfyrddin to Dormagen | 481.43 mi (774.78 km) |
| Caerfyrddin to Dornstadt | 671.70 mi (1,081.00 km) |
| Caerfyrddin to Dorsten | 482.14 mi (775.92 km) |
| Caerfyrddin to Dortmund | 504.71 mi (812.25 km) |
| Caerfyrddin to Dorverden | 575.04 mi (925.44 km) |
| Caerfyrddin to Dossenheim | 591.85 mi (952.49 km) |
| Caerfyrddin to Dreieich | 580.31 mi (933.92 km) |
| Caerfyrddin to Drensteinfurt | 514.24 mi (827.58 km) |
| Caerfyrddin to Dresden | 777.40 mi (1,251.11 km) |
| Caerfyrddin to Drochtersen | 585.57 mi (942.38 km) |
| Caerfyrddin to Drolshagen | 522.81 mi (841.38 km) |
| Caerfyrddin to Duderstadt | 623.79 mi (1,003.90 km) |
| Caerfyrddin to Duisburg | 475.41 mi (765.10 km) |
| Caerfyrddin to Dulmen | 494.40 mi (795.66 km) |
| Caerfyrddin to Duren | 471.47 mi (758.75 km) |
