| Hardenberg to Dillenburg | 145.43 mi (234.04 km) |
| Hardenberg to Dillingen | 323.82 mi (521.14 km) |
| Hardenberg to Dillingen | 222.31 mi (357.77 km) |
| Hardenberg to Dingolfing | 374.51 mi (602.71 km) |
| Hardenberg to Dinkelsbuhl | 290.55 mi (467.59 km) |
| Hardenberg to Dinklage | 63.99 mi (102.99 km) |
| Hardenberg to Dinslaken | 69.27 mi (111.48 km) |
| Hardenberg to Dippoldiswalde | 322.93 mi (519.70 km) |
| Hardenberg to Ditzingen | 279.75 mi (450.21 km) |
| Hardenberg to Dobeln | 294.65 mi (474.20 km) |
| Hardenberg to Doberlug-Kirchhain | 302.12 mi (486.21 km) |
| Hardenberg to Donaueschingen | 329.45 mi (530.20 km) |
| Hardenberg to Donauworth | 323.89 mi (521.26 km) |
| Hardenberg to Donzdorf | 302.69 mi (487.14 km) |
| Hardenberg to Dorfen | 383.98 mi (617.95 km) |
