| Niel to Karnobat | 1,212.77 mi (1,951.77 km) |
| Niel to Kavarna | 1,236.54 mi (1,990.02 km) |
| Niel to Kazanlak | 1,149.47 mi (1,849.90 km) |
| Niel to Knezha | 1,059.61 mi (1,705.28 km) |
| Niel to Kostinbrod | 1,054.34 mi (1,696.79 km) |
| Niel to Kozloduy | 1,033.91 mi (1,663.91 km) |
| Niel to Kyustendil | 1,057.63 mi (1,702.09 km) |
| Niel to Levski | 1,107.47 mi (1,782.30 km) |
| Niel to Lom | 1,012.25 mi (1,629.06 km) |
| Niel to Lovech | 1,100.25 mi (1,770.68 km) |
| Niel to Lukovit | 1,075.45 mi (1,730.77 km) |
| Niel to Lyaskovets | 1,142.05 mi (1,837.95 km) |
| Niel to Mezdra | 1,058.97 mi (1,704.25 km) |
| Niel to Momchilgrad | 1,197.61 mi (1,927.37 km) |
| Niel to Montana | 1,029.06 mi (1,656.11 km) |
