| Kumla to Karlovo | 1,210.88 mi (1,948.73 km) |
| Kumla to Karnobat | 1,246.27 mi (2,005.68 km) |
| Kumla to Kavarna | 1,219.56 mi (1,962.69 km) |
| Kumla to Kazanlak | 1,221.51 mi (1,965.84 km) |
| Kumla to Knezha | 1,143.78 mi (1,840.74 km) |
| Kumla to Kostinbrod | 1,177.84 mi (1,895.54 km) |
| Kumla to Kozloduy | 1,120.12 mi (1,802.66 km) |
| Kumla to Kyustendil | 1,207.27 mi (1,942.91 km) |
| Kumla to Levski | 1,168.05 mi (1,879.79 km) |
| Kumla to Lom | 1,110.67 mi (1,787.46 km) |
| Kumla to Lovech | 1,177.08 mi (1,894.33 km) |
| Kumla to Lukovit | 1,164.86 mi (1,874.65 km) |
| Kumla to Lyaskovets | 1,194.72 mi (1,922.71 km) |
| Kumla to Mezdra | 1,161.81 mi (1,869.74 km) |
| Kumla to Momchilgrad | 1,293.33 mi (2,081.41 km) |
