| Cities | Distance |
|---|---|
| Blackrock to Barmstedt | 654.10 mi (1,052.67 km) |
| Blackrock to Barntrup | 646.38 mi (1,040.25 km) |
| Blackrock to Barsbuttel | 671.55 mi (1,080.75 km) |
| Blackrock to Barsinghausen | 656.43 mi (1,056.42 km) |
| Blackrock to Barssel | 574.99 mi (925.36 km) |
| Blackrock to Barth | 771.56 mi (1,241.71 km) |
| Blackrock to Bassum | 618.33 mi (995.10 km) |
| Blackrock to Baunatal | 672.75 mi (1,082.69 km) |
| Blackrock to Bautzen | 880.66 mi (1,417.28 km) |
| Blackrock to Bayreuth | 793.69 mi (1,277.32 km) |
| Blackrock to Bebra | 694.46 mi (1,117.62 km) |
| Blackrock to Beckingen | 616.73 mi (992.53 km) |
| Blackrock to Beckum | 606.06 mi (975.36 km) |
| Blackrock to Bedburg | 529.52 mi (852.18 km) |
| Blackrock to Bedburg | 562.17 mi (904.72 km) |