| Castlebar to Hohenhameln | 809.08 mi (1,302.09 km) |
| Castlebar to Hohenkirchen-Siegertsbrunn | 995.93 mi (1,602.79 km) |
| Castlebar to Hohenmolsen | 915.27 mi (1,472.98 km) |
| Castlebar to Hohenstein-Ernstthal | 949.16 mi (1,527.53 km) |
| Castlebar to Hohr-Grenzhausen | 755.25 mi (1,215.45 km) |
| Castlebar to Holzgerlingen | 866.87 mi (1,395.09 km) |
| Castlebar to Holzkirchen | 999.50 mi (1,608.54 km) |
| Castlebar to Holzminden | 792.37 mi (1,275.20 km) |
| Castlebar to Holzwickede | 725.21 mi (1,167.11 km) |
| Castlebar to Homburg | 777.56 mi (1,251.36 km) |
| Castlebar to Hoppegarten | 951.07 mi (1,530.59 km) |
| Castlebar to Horb am Neckar | 861.56 mi (1,386.55 km) |
| Castlebar to Horn-Bad Meinberg | 771.65 mi (1,241.86 km) |
| Castlebar to Horstel | 707.35 mi (1,138.37 km) |
| Castlebar to Hosbach | 829.20 mi (1,334.47 km) |
