| Bad Harzburg to Dornstadt | 237.33 mi (381.95 km) |
| Bad Harzburg to Dorsten | 154.58 mi (248.77 km) |
| Bad Harzburg to Dortmund | 134.92 mi (217.13 km) |
| Bad Harzburg to Dorverden | 87.32 mi (140.52 km) |
| Bad Harzburg to Dossenheim | 187.29 mi (301.42 km) |
| Bad Harzburg to Dreieich | 153.17 mi (246.51 km) |
| Bad Harzburg to Drensteinfurt | 120.66 mi (194.19 km) |
| Bad Harzburg to Dresden | 148.33 mi (238.72 km) |
| Bad Harzburg to Drochtersen | 134.98 mi (217.23 km) |
| Bad Harzburg to Drolshagen | 133.84 mi (215.39 km) |
| Bad Harzburg to Duderstadt | 28.57 mi (45.98 km) |
| Bad Harzburg to Duisburg | 165.74 mi (266.73 km) |
| Bad Harzburg to Dulmen | 140.17 mi (225.58 km) |
| Bad Harzburg to Duren | 191.21 mi (307.72 km) |
| Bad Harzburg to Durmersheim | 226.84 mi (365.06 km) |
