| Cities | Distance |
|---|---|
| Blackrock to Harsewinkel | 610.21 mi (982.04 km) |
| Blackrock to Harsum | 677.62 mi (1,090.53 km) |
| Blackrock to Hasbergen | 593.09 mi (954.49 km) |
| Blackrock to Haselunne | 568.39 mi (914.73 km) |
| Blackrock to Hassfurt | 747.97 mi (1,203.74 km) |
| Blackrock to Hassloch | 678.57 mi (1,092.06 km) |
| Blackrock to Hatten | 599.85 mi (965.36 km) |
| Blackrock to Hattersheim | 665.14 mi (1,070.44 km) |
| Blackrock to Hattingen | 578.18 mi (930.49 km) |
| Blackrock to Hauzenberg | 916.17 mi (1,474.44 km) |
| Blackrock to Havixbeck | 576.36 mi (927.57 km) |
| Blackrock to Hechingen | 742.04 mi (1,194.19 km) |
| Blackrock to Heddesheim | 687.37 mi (1,106.21 km) |
| Blackrock to Heek | 560.97 mi (902.79 km) |
| Blackrock to Heide | 625.74 mi (1,007.03 km) |