| Bootle to Karlovo | 1,471.28 mi (2,367.80 km) |
| Bootle to Karnobat | 1,556.99 mi (2,505.74 km) |
| Bootle to Kavarna | 1,576.63 mi (2,537.34 km) |
| Bootle to Kazanlak | 1,495.57 mi (2,406.88 km) |
| Bootle to Knezha | 1,405.48 mi (2,261.89 km) |
| Bootle to Kostinbrod | 1,402.05 mi (2,256.38 km) |
| Bootle to Kozloduy | 1,379.59 mi (2,220.24 km) |
| Bootle to Kyustendil | 1,406.05 mi (2,262.81 km) |
| Bootle to Levski | 1,452.38 mi (2,337.38 km) |
| Bootle to Lom | 1,358.41 mi (2,186.15 km) |
| Bootle to Lovech | 1,446.12 mi (2,327.31 km) |
| Bootle to Lukovit | 1,421.79 mi (2,288.15 km) |
| Bootle to Lyaskovets | 1,486.83 mi (2,392.82 km) |
| Bootle to Mezdra | 1,405.85 mi (2,262.49 km) |
| Bootle to Momchilgrad | 1,545.20 mi (2,486.76 km) |
