| Happy Valley to Karlovo | 6,027.44 mi (9,700.23 km) |
| Happy Valley to Karnobat | 6,068.80 mi (9,766.80 km) |
| Happy Valley to Kavarna | 6,040.83 mi (9,721.78 km) |
| Happy Valley to Kazanlak | 6,040.50 mi (9,721.25 km) |
| Happy Valley to Knezha | 5,958.79 mi (9,589.74 km) |
| Happy Valley to Kostinbrod | 5,985.13 mi (9,632.13 km) |
| Happy Valley to Kozloduy | 5,933.95 mi (9,549.76 km) |
| Happy Valley to Kyustendil | 6,008.11 mi (9,669.12 km) |
| Happy Valley to Levski | 5,987.41 mi (9,635.80 km) |
| Happy Valley to Lom | 5,921.53 mi (9,529.78 km) |
| Happy Valley to Lovech | 5,994.32 mi (9,646.93 km) |
| Happy Valley to Lukovit | 5,979.52 mi (9,623.11 km) |
| Happy Valley to Lyaskovets | 6,015.46 mi (9,680.95 km) |
| Happy Valley to Mezdra | 5,973.57 mi (9,613.53 km) |
| Happy Valley to Momchilgrad | 6,110.28 mi (9,833.54 km) |
