| Castel Bolognese to Hohenhameln | 554.54 mi (892.45 km) |
| Castel Bolognese to Hohenkirchen-Siegertsbrunn | 255.67 mi (411.45 km) |
| Castel Bolognese to Hohenmolsen | 472.78 mi (760.86 km) |
| Castel Bolognese to Hohenstein-Ernstthal | 449.98 mi (724.17 km) |
| Castel Bolognese to Hohr-Grenzhausen | 464.60 mi (747.70 km) |
| Castel Bolognese to Holzgerlingen | 326.76 mi (525.86 km) |
| Castel Bolognese to Holzkirchen | 246.47 mi (396.66 km) |
| Castel Bolognese to Holzminden | 530.25 mi (853.36 km) |
| Castel Bolognese to Holzwickede | 532.57 mi (857.09 km) |
| Castel Bolognese to Homburg | 404.74 mi (651.37 km) |
| Castel Bolognese to Hoppegarten | 572.94 mi (922.06 km) |
| Castel Bolognese to Horb am Neckar | 321.38 mi (517.22 km) |
| Castel Bolognese to Horn-Bad Meinberg | 538.79 mi (867.10 km) |
| Castel Bolognese to Horstel | 584.16 mi (940.12 km) |
| Castel Bolognese to Hosbach | 411.17 mi (661.71 km) |
