| Rickmansworth to Dormagen | 316.19 mi (508.87 km) |
| Rickmansworth to Dornstadt | 510.38 mi (821.38 km) |
| Rickmansworth to Dorsten | 318.40 mi (512.41 km) |
| Rickmansworth to Dortmund | 340.55 mi (548.06 km) |
| Rickmansworth to Dorverden | 418.44 mi (673.41 km) |
| Rickmansworth to Dossenheim | 428.44 mi (689.50 km) |
| Rickmansworth to Dreieich | 415.49 mi (668.66 km) |
| Rickmansworth to Drensteinfurt | 351.22 mi (565.23 km) |
| Rickmansworth to Dresden | 613.48 mi (987.30 km) |
| Rickmansworth to Drochtersen | 436.14 mi (701.89 km) |
| Rickmansworth to Drolshagen | 357.63 mi (575.55 km) |
| Rickmansworth to Duderstadt | 460.23 mi (740.67 km) |
| Rickmansworth to Duisburg | 310.85 mi (500.26 km) |
| Rickmansworth to Dulmen | 331.48 mi (533.47 km) |
| Rickmansworth to Duren | 306.14 mi (492.68 km) |
