| Broxbourne to Karlovo | 1,315.39 mi (2,116.91 km) |
| Broxbourne to Karnobat | 1,404.66 mi (2,260.58 km) |
| Broxbourne to Kavarna | 1,429.09 mi (2,299.90 km) |
| Broxbourne to Kazanlak | 1,340.57 mi (2,157.44 km) |
| Broxbourne to Knezha | 1,250.88 mi (2,013.10 km) |
| Broxbourne to Kostinbrod | 1,244.04 mi (2,002.09 km) |
| Broxbourne to Kozloduy | 1,225.29 mi (1,971.92 km) |
| Broxbourne to Kyustendil | 1,245.84 mi (2,004.98 km) |
| Broxbourne to Levski | 1,299.16 mi (2,090.80 km) |
| Broxbourne to Lom | 1,203.39 mi (1,936.67 km) |
| Broxbourne to Lovech | 1,291.49 mi (2,078.46 km) |
| Broxbourne to Lukovit | 1,266.43 mi (2,038.12 km) |
| Broxbourne to Lyaskovets | 1,333.77 mi (2,146.50 km) |
| Broxbourne to Mezdra | 1,249.56 mi (2,010.98 km) |
| Broxbourne to Momchilgrad | 1,387.39 mi (2,232.79 km) |
