| Onnaing to Karlovo | 1,135.95 mi (1,828.14 km) |
| Onnaing to Karnobat | 1,227.34 mi (1,975.21 km) |
| Onnaing to Kavarna | 1,255.08 mi (2,019.85 km) |
| Onnaing to Kazanlak | 1,161.64 mi (1,869.48 km) |
| Onnaing to Knezha | 1,072.34 mi (1,725.77 km) |
| Onnaing to Kostinbrod | 1,063.49 mi (1,711.52 km) |
| Onnaing to Kozloduy | 1,046.98 mi (1,684.95 km) |
| Onnaing to Kyustendil | 1,064.20 mi (1,712.66 km) |
| Onnaing to Levski | 1,121.42 mi (1,804.76 km) |
| Onnaing to Lom | 1,024.66 mi (1,649.03 km) |
| Onnaing to Lovech | 1,112.86 mi (1,790.98 km) |
| Onnaing to Lukovit | 1,087.38 mi (1,749.97 km) |
| Onnaing to Lyaskovets | 1,156.09 mi (1,860.54 km) |
| Onnaing to Mezdra | 1,069.98 mi (1,721.97 km) |
| Onnaing to Momchilgrad | 1,206.82 mi (1,942.19 km) |
