| Middle Valley to Karlovo | 5,482.85 mi (8,823.80 km) |
| Middle Valley to Karnobat | 5,568.95 mi (8,962.35 km) |
| Middle Valley to Kavarna | 5,585.25 mi (8,988.59 km) |
| Middle Valley to Kazanlak | 5,507.51 mi (8,863.47 km) |
| Middle Valley to Knezha | 5,417.49 mi (8,718.61 km) |
| Middle Valley to Kostinbrod | 5,411.97 mi (8,709.72 km) |
| Middle Valley to Kozloduy | 5,391.66 mi (8,677.04 km) |
| Middle Valley to Kyustendil | 5,412.89 mi (8,711.21 km) |
| Middle Valley to Levski | 5,464.51 mi (8,794.28 km) |
| Middle Valley to Lom | 5,370.30 mi (8,642.66 km) |
| Middle Valley to Lovech | 5,458.14 mi (8,784.03 km) |
| Middle Valley to Lukovit | 5,433.58 mi (8,744.50 km) |
| Middle Valley to Lyaskovets | 5,498.94 mi (8,849.69 km) |
| Middle Valley to Mezdra | 5,417.18 mi (8,718.11 km) |
| Middle Valley to Momchilgrad | 5,555.32 mi (8,940.43 km) |
