| Istrana to Hohenhameln | 463.62 mi (746.13 km) |
| Istrana to Hohenkirchen-Siegertsbrunn | 162.15 mi (260.96 km) |
| Istrana to Hohenmolsen | 378.15 mi (608.58 km) |
| Istrana to Hohenstein-Ernstthal | 354.66 mi (570.78 km) |
| Istrana to Hohr-Grenzhausen | 386.64 mi (622.24 km) |
| Istrana to Holzgerlingen | 250.50 mi (403.14 km) |
| Istrana to Holzkirchen | 153.18 mi (246.52 km) |
| Istrana to Holzminden | 441.44 mi (710.43 km) |
| Istrana to Holzwickede | 450.90 mi (725.65 km) |
| Istrana to Homburg | 335.32 mi (539.65 km) |
| Istrana to Hoppegarten | 477.40 mi (768.30 km) |
| Istrana to Horb am Neckar | 249.26 mi (401.15 km) |
| Istrana to Horn-Bad Meinberg | 451.39 mi (726.45 km) |
| Istrana to Horstel | 500.47 mi (805.42 km) |
| Istrana to Hosbach | 327.11 mi (526.43 km) |
