| Castleton to Hohenhameln | 517.39 mi (832.65 km) |
| Castleton to Hohenkirchen-Siegertsbrunn | 717.21 mi (1,154.24 km) |
| Castleton to Hohenmolsen | 623.86 mi (1,004.01 km) |
| Castleton to Hohenstein-Ernstthal | 658.04 mi (1,059.02 km) |
| Castleton to Hohr-Grenzhausen | 471.47 mi (758.76 km) |
| Castleton to Holzgerlingen | 592.54 mi (953.60 km) |
| Castleton to Holzkirchen | 721.67 mi (1,161.41 km) |
| Castleton to Holzminden | 500.85 mi (806.05 km) |
| Castleton to Holzwickede | 435.57 mi (700.98 km) |
| Castleton to Homburg | 504.06 mi (811.20 km) |
| Castleton to Hoppegarten | 660.63 mi (1,063.17 km) |
| Castleton to Horb am Neckar | 590.05 mi (949.59 km) |
| Castleton to Horn-Bad Meinberg | 480.19 mi (772.80 km) |
| Castleton to Horstel | 415.71 mi (669.01 km) |
| Castleton to Hosbach | 544.83 mi (876.82 km) |
