| Niebull to Karlovo | 1,105.87 mi (1,779.73 km) |
| Niebull to Karnobat | 1,172.39 mi (1,886.78 km) |
| Niebull to Kavarna | 1,173.28 mi (1,888.22 km) |
| Niebull to Kazanlak | 1,124.90 mi (1,810.34 km) |
| Niebull to Knezha | 1,036.48 mi (1,668.06 km) |
| Niebull to Kostinbrod | 1,050.66 mi (1,690.88 km) |
| Niebull to Kozloduy | 1,010.36 mi (1,626.02 km) |
| Niebull to Kyustendil | 1,067.41 mi (1,717.83 km) |
| Niebull to Levski | 1,075.22 mi (1,730.41 km) |
| Niebull to Lom | 993.58 mi (1,599.02 km) |
| Niebull to Lovech | 1,075.62 mi (1,731.05 km) |
| Niebull to Lukovit | 1,055.77 mi (1,699.10 km) |
| Niebull to Lyaskovets | 1,107.66 mi (1,782.61 km) |
| Niebull to Mezdra | 1,045.13 mi (1,681.98 km) |
| Niebull to Momchilgrad | 1,186.79 mi (1,909.96 km) |
