| Blackrock to Butzbach | 661.91 mi (1,065.25 km) |
| Blackrock to Buxtehude | 653.06 mi (1,051.00 km) |
| Blackrock to Cadolzburg | 779.49 mi (1,254.47 km) |
| Blackrock to Calbe | 757.51 mi (1,219.10 km) |
| Blackrock to Calw | 719.63 mi (1,158.14 km) |
| Blackrock to Castrop-Rauxel | 580.35 mi (933.99 km) |
| Blackrock to Celle | 676.83 mi (1,089.26 km) |
| Blackrock to Cham | 858.59 mi (1,381.76 km) |
| Blackrock to Chemnitz | 826.10 mi (1,329.48 km) |
| Blackrock to Clausthal-Zellerfeld | 699.78 mi (1,126.18 km) |
| Blackrock to Cloppenburg | 590.42 mi (950.18 km) |
| Blackrock to Coburg | 760.11 mi (1,223.28 km) |
| Blackrock to Coesfeld | 566.55 mi (911.77 km) |
| Blackrock to Cologne | 579.58 mi (932.75 km) |
| Blackrock to Coswig | 846.97 mi (1,363.06 km) |
