| Niles to Karlovo | 5,245.04 mi (8,441.07 km) |
| Niles to Karnobat | 5,322.91 mi (8,566.40 km) |
| Niles to Kavarna | 5,329.71 mi (8,577.34 km) |
| Niles to Kazanlak | 5,267.60 mi (8,477.38 km) |
| Niles to Knezha | 5,177.43 mi (8,332.28 km) |
| Niles to Kostinbrod | 5,179.13 mi (8,335.00 km) |
| Niles to Kozloduy | 5,151.24 mi (8,290.12 km) |
| Niles to Kyustendil | 5,185.22 mi (8,344.80 km) |
| Niles to Levski | 5,221.33 mi (8,402.91 km) |
| Niles to Lom | 5,131.44 mi (8,258.26 km) |
| Niles to Lovech | 5,217.84 mi (8,397.30 km) |
| Niles to Lukovit | 5,194.95 mi (8,360.47 km) |
| Niles to Lyaskovets | 5,255.09 mi (8,457.25 km) |
| Niles to Mezdra | 5,180.58 mi (8,337.34 km) |
| Niles to Momchilgrad | 5,321.53 mi (8,564.18 km) |
