| Hardenberg to Bad Mergentheim | 252.19 mi (405.87 km) |
| Hardenberg to Bad Munder am Deister | 122.78 mi (197.60 km) |
| Hardenberg to Bad Munstereifel | 139.27 mi (224.14 km) |
| Hardenberg to Bad Nauheim | 177.57 mi (285.77 km) |
| Hardenberg to Bad Nenndorf | 117.37 mi (188.89 km) |
| Hardenberg to Bad Neuenahr-Ahrweiler | 141.33 mi (227.44 km) |
| Hardenberg to Bad Neustadt | 219.23 mi (352.81 km) |
| Hardenberg to Bad Oeynhausen | 95.49 mi (153.68 km) |
| Hardenberg to Bad Oldesloe | 177.72 mi (286.02 km) |
| Hardenberg to Bad Orb | 200.59 mi (322.82 km) |
| Hardenberg to Bad Pyrmont | 118.85 mi (191.27 km) |
| Hardenberg to Bad Rappenau | 254.43 mi (409.47 km) |
| Hardenberg to Bad Reichenhall | 434.13 mi (698.66 km) |
| Hardenberg to Bad Sackingen | 351.61 mi (565.87 km) |
| Hardenberg to Bad Salzdetfurth | 147.40 mi (237.22 km) |
