| Hardenberg to Hohenhameln | 146.91 mi (236.42 km) |
| Hardenberg to Hohenkirchen-Siegertsbrunn | 386.88 mi (622.63 km) |
| Hardenberg to Hohenmolsen | 253.29 mi (407.63 km) |
| Hardenberg to Hohenstein-Ernstthal | 288.30 mi (463.97 km) |
| Hardenberg to Hohr-Grenzhausen | 154.11 mi (248.01 km) |
| Hardenberg to Holzgerlingen | 290.92 mi (468.20 km) |
| Hardenberg to Holzkirchen | 393.74 mi (633.67 km) |
| Hardenberg to Holzminden | 130.27 mi (209.65 km) |
| Hardenberg to Holzwickede | 85.08 mi (136.92 km) |
| Hardenberg to Homburg | 226.71 mi (364.85 km) |
| Hardenberg to Hoppegarten | 296.15 mi (476.61 km) |
| Hardenberg to Horb am Neckar | 298.96 mi (481.13 km) |
| Hardenberg to Horn-Bad Meinberg | 110.09 mi (177.18 km) |
| Hardenberg to Horstel | 44.88 mi (72.23 km) |
| Hardenberg to Hosbach | 209.52 mi (337.20 km) |
