| North Valley to Karlovo | 6,248.59 mi (10,056.13 km) |
| North Valley to Karnobat | 6,315.80 mi (10,164.30 km) |
| North Valley to Kavarna | 6,310.90 mi (10,156.40 km) |
| North Valley to Kazanlak | 6,268.44 mi (10,088.09 km) |
| North Valley to Knezha | 6,179.47 mi (9,944.90 km) |
| North Valley to Kostinbrod | 6,189.13 mi (9,960.45 km) |
| North Valley to Kozloduy | 6,153.26 mi (9,902.72 km) |
| North Valley to Kyustendil | 6,200.65 mi (9,978.98 km) |
| North Valley to Levski | 6,219.12 mi (10,008.71 km) |
| North Valley to Lom | 6,135.52 mi (9,874.17 km) |
| North Valley to Lovech | 6,218.99 mi (10,008.50 km) |
| North Valley to Lukovit | 6,198.34 mi (9,975.27 km) |
| North Valley to Lyaskovets | 6,251.59 mi (10,060.97 km) |
| North Valley to Mezdra | 6,186.44 mi (9,956.12 km) |
| North Valley to Momchilgrad | 6,328.44 mi (10,184.63 km) |
