| Basildon to Karlovo | 1,290.85 mi (2,077.43 km) |
| Basildon to Karnobat | 1,380.35 mi (2,221.47 km) |
| Basildon to Kavarna | 1,405.14 mi (2,261.36 km) |
| Basildon to Kazanlak | 1,316.09 mi (2,118.04 km) |
| Basildon to Knezha | 1,226.44 mi (1,973.76 km) |
| Basildon to Kostinbrod | 1,219.39 mi (1,962.42 km) |
| Basildon to Kozloduy | 1,200.87 mi (1,932.61 km) |
| Basildon to Kyustendil | 1,221.08 mi (1,965.15 km) |
| Basildon to Levski | 1,274.80 mi (2,051.60 km) |
| Basildon to Lom | 1,178.92 mi (1,897.29 km) |
| Basildon to Lovech | 1,267.04 mi (2,039.11 km) |
| Basildon to Lukovit | 1,241.93 mi (1,998.70 km) |
| Basildon to Lyaskovets | 1,309.42 mi (2,107.31 km) |
| Basildon to Mezdra | 1,225.01 mi (1,971.47 km) |
| Basildon to Momchilgrad | 1,362.75 mi (2,193.13 km) |
