| Hardenberg to Delitzsch | 253.63 mi (408.17 km) |
| Hardenberg to Delmenhorst | 90.55 mi (145.73 km) |
| Hardenberg to Demmin | 281.29 mi (452.70 km) |
| Hardenberg to Denkendorf | 292.42 mi (470.61 km) |
| Hardenberg to Denzlingen | 315.77 mi (508.19 km) |
| Hardenberg to Dessau-Rosslau | 243.12 mi (391.27 km) |
| Hardenberg to Detmold | 105.25 mi (169.39 km) |
| Hardenberg to Dettingen an der Erms | 303.52 mi (488.48 km) |
| Hardenberg to Dieburg | 208.02 mi (334.78 km) |
| Hardenberg to Diedorf | 343.68 mi (553.10 km) |
| Hardenberg to Dielheim | 244.92 mi (394.16 km) |
| Hardenberg to Diepholz | 73.70 mi (118.60 km) |
| Hardenberg to Diessen am Ammersee | 375.29 mi (603.98 km) |
| Hardenberg to Dietzenbach | 199.49 mi (321.05 km) |
| Hardenberg to Diez | 163.23 mi (262.69 km) |
