| Billericay to Karlovo | 1,294.84 mi (2,083.84 km) |
| Billericay to Karnobat | 1,384.23 mi (2,227.70 km) |
| Billericay to Kavarna | 1,408.87 mi (2,267.35 km) |
| Billericay to Kazanlak | 1,320.04 mi (2,124.41 km) |
| Billericay to Knezha | 1,230.38 mi (1,980.10 km) |
| Billericay to Kostinbrod | 1,223.44 mi (1,968.94 km) |
| Billericay to Kozloduy | 1,204.80 mi (1,938.93 km) |
| Billericay to Kyustendil | 1,225.21 mi (1,971.78 km) |
| Billericay to Levski | 1,278.70 mi (2,057.87 km) |
| Billericay to Lom | 1,182.87 mi (1,903.65 km) |
| Billericay to Lovech | 1,270.98 mi (2,045.45 km) |
| Billericay to Lukovit | 1,245.90 mi (2,005.08 km) |
| Billericay to Lyaskovets | 1,313.32 mi (2,113.58 km) |
| Billericay to Mezdra | 1,229.01 mi (1,977.89 km) |
| Billericay to Momchilgrad | 1,366.80 mi (2,199.65 km) |
