| Leverkusen to Karlovo | 1,018.36 mi (1,638.89 km) |
| Leverkusen to Karnobat | 1,103.93 mi (1,776.60 km) |
| Leverkusen to Kavarna | 1,125.22 mi (1,810.87 km) |
| Leverkusen to Kazanlak | 1,042.47 mi (1,677.69 km) |
| Leverkusen to Knezha | 952.34 mi (1,532.65 km) |
| Leverkusen to Kostinbrod | 950.01 mi (1,528.89 km) |
| Leverkusen to Kozloduy | 926.44 mi (1,490.96 km) |
| Leverkusen to Kyustendil | 955.65 mi (1,537.97 km) |
| Leverkusen to Levski | 999.22 mi (1,608.08 km) |
| Leverkusen to Lom | 905.34 mi (1,457.01 km) |
| Leverkusen to Lovech | 992.99 mi (1,598.06 km) |
| Leverkusen to Lukovit | 968.77 mi (1,559.08 km) |
| Leverkusen to Lyaskovets | 1,033.67 mi (1,663.54 km) |
| Leverkusen to Mezdra | 953.06 mi (1,533.80 km) |
| Leverkusen to Momchilgrad | 1,092.92 mi (1,758.89 km) |
