| Blackrock to Karlovo | 1,594.04 mi (2,565.36 km) |
| Blackrock to Karnobat | 1,681.78 mi (2,706.56 km) |
| Blackrock to Kavarna | 1,703.52 mi (2,741.55 km) |
| Blackrock to Kazanlak | 1,618.88 mi (2,605.33 km) |
| Blackrock to Knezha | 1,528.99 mi (2,460.67 km) |
| Blackrock to Kostinbrod | 1,523.38 mi (2,451.64 km) |
| Blackrock to Kozloduy | 1,503.26 mi (2,419.27 km) |
| Blackrock to Kyustendil | 1,525.67 mi (2,455.33 km) |
| Blackrock to Levski | 1,576.67 mi (2,537.40 km) |
| Blackrock to Lom | 1,481.66 mi (2,384.50 km) |
| Blackrock to Lovech | 1,569.63 mi (2,526.08 km) |
| Blackrock to Lukovit | 1,544.86 mi (2,486.21 km) |
| Blackrock to Lyaskovets | 1,611.22 mi (2,593.00 km) |
| Blackrock to Mezdra | 1,528.34 mi (2,459.63 km) |
| Blackrock to Momchilgrad | 1,666.71 mi (2,682.30 km) |
