| Highland to Karlovo | 6,614.25 mi (10,644.61 km) |
| Highland to Karnobat | 6,670.22 mi (10,734.68 km) |
| Highland to Kavarna | 6,654.46 mi (10,709.31 km) |
| Highland to Kazanlak | 6,631.20 mi (10,671.89 km) |
| Highland to Knezha | 6,544.71 mi (10,532.70 km) |
| Highland to Kostinbrod | 6,561.97 mi (10,560.46 km) |
| Highland to Kozloduy | 6,518.88 mi (10,491.13 km) |
| Highland to Kyustendil | 6,578.68 mi (10,587.36 km) |
| Highland to Levski | 6,579.71 mi (10,589.01 km) |
| Highland to Lom | 6,503.39 mi (10,466.19 km) |
| Highland to Lovech | 6,582.79 mi (10,593.97 km) |
| Highland to Lukovit | 6,564.60 mi (10,564.71 km) |
| Highland to Lyaskovets | 6,610.45 mi (10,638.48 km) |
| Highland to Mezdra | 6,555.28 mi (10,549.70 km) |
| Highland to Momchilgrad | 6,696.18 mi (10,776.47 km) |
