| Blackrock to Oschatz | 823.84 mi (1,325.85 km) |
| Blackrock to Oschersleben | 733.89 mi (1,181.08 km) |
| Blackrock to Osnabruck | 597.59 mi (961.73 km) |
| Blackrock to Ostbevern | 593.01 mi (954.37 km) |
| Blackrock to Osterburg | 744.32 mi (1,197.87 km) |
| Blackrock to Ostercappeln | 604.18 mi (972.34 km) |
| Blackrock to Osterhofen | 889.80 mi (1,431.99 km) |
| Blackrock to Osterholz-Scharmbeck | 617.95 mi (994.49 km) |
| Blackrock to Osternienburg | 769.26 mi (1,238.01 km) |
| Blackrock to Osterode | 697.72 mi (1,122.87 km) |
| Blackrock to Osterwieck | 712.70 mi (1,146.99 km) |
| Blackrock to Ostfildern | 739.14 mi (1,189.53 km) |
| Blackrock to Osthofen | 669.99 mi (1,078.25 km) |
| Blackrock to Ostrhauderfehn | 570.07 mi (917.44 km) |
| Blackrock to Ostringen | 701.10 mi (1,128.31 km) |
