| Bad Harzburg to Cottbus | 161.29 mi (259.57 km) |
| Bad Harzburg to Crailsheim | 190.98 mi (307.36 km) |
| Bad Harzburg to Cremlingen | 25.71 mi (41.38 km) |
| Bad Harzburg to Crimmitschau | 107.69 mi (173.31 km) |
| Bad Harzburg to Cuxhaven | 157.41 mi (253.33 km) |
| Bad Harzburg to Dachau | 253.14 mi (407.39 km) |
| Bad Harzburg to Dallgow-Doberitz | 114.56 mi (184.36 km) |
| Bad Harzburg to Damme | 109.41 mi (176.08 km) |
| Bad Harzburg to Darmstadt | 161.84 mi (260.45 km) |
| Bad Harzburg to Dassel | 37.61 mi (60.52 km) |
| Bad Harzburg to Datteln | 138.58 mi (223.03 km) |
| Bad Harzburg to Dautphe | 111.92 mi (180.12 km) |
| Bad Harzburg to Deggendorf | 235.72 mi (379.36 km) |
| Bad Harzburg to Delbruck | 85.58 mi (137.73 km) |
| Bad Harzburg to Delitzsch | 80.07 mi (128.86 km) |
