| Hardenberg to Bad Breisig | 145.13 mi (233.56 km) |
| Hardenberg to Bad Camberg | 171.97 mi (276.77 km) |
| Hardenberg to Bad Doberan | 242.67 mi (390.55 km) |
| Hardenberg to Bad Driburg | 116.90 mi (188.14 km) |
| Hardenberg to Bad Durkheim | 225.02 mi (362.14 km) |
| Hardenberg to Bad Durrenberg | 248.50 mi (399.92 km) |
| Hardenberg to Bad Durrheim | 325.53 mi (523.89 km) |
| Hardenberg to Bad Ems | 161.02 mi (259.13 km) |
| Hardenberg to Bad Essen | 74.53 mi (119.94 km) |
| Hardenberg to Bad Fallingbostel | 130.56 mi (210.12 km) |
| Hardenberg to Bad Frankenhausen | 208.40 mi (335.39 km) |
| Hardenberg to Bad Freienwalde | 310.90 mi (500.34 km) |
| Hardenberg to Bad Gandersheim | 152.04 mi (244.69 km) |
| Hardenberg to Bad Harzburg | 173.56 mi (279.31 km) |
| Hardenberg to Bad Hersfeld | 176.82 mi (284.56 km) |
