| Hardenberg to Bad Homburg | 183.49 mi (295.30 km) |
| Hardenberg to Bad Honnef am Rhein | 135.33 mi (217.80 km) |
| Hardenberg to Bad Iburg | 66.60 mi (107.18 km) |
| Hardenberg to Bad Kissingen | 221.02 mi (355.70 km) |
| Hardenberg to Bad Konig | 220.63 mi (355.07 km) |
| Hardenberg to Bad Kreuznach | 195.34 mi (314.37 km) |
| Hardenberg to Bad Krozingen | 324.82 mi (522.75 km) |
| Hardenberg to Bad Laasphe | 136.78 mi (220.13 km) |
| Hardenberg to Bad Laer | 69.93 mi (112.55 km) |
| Hardenberg to Bad Langensalza | 199.35 mi (320.83 km) |
| Hardenberg to Bad Lauchstadt | 236.98 mi (381.38 km) |
| Hardenberg to Bad Lauterberg | 175.84 mi (282.99 km) |
| Hardenberg to Bad Liebenwerda | 297.14 mi (478.21 km) |
| Hardenberg to Bad Liebenzell | 277.89 mi (447.21 km) |
| Hardenberg to Bad Lippspringe | 107.79 mi (173.46 km) |
