| Mountain Ash to Karlovo | 1,451.84 mi (2,336.52 km) |
| Mountain Ash to Karnobat | 1,543.05 mi (2,483.30 km) |
| Mountain Ash to Kavarna | 1,569.51 mi (2,525.88 km) |
| Mountain Ash to Kazanlak | 1,477.56 mi (2,377.90 km) |
| Mountain Ash to Knezha | 1,388.24 mi (2,234.16 km) |
| Mountain Ash to Kostinbrod | 1,379.12 mi (2,219.48 km) |
| Mountain Ash to Kozloduy | 1,362.85 mi (2,193.30 km) |
| Mountain Ash to Kyustendil | 1,379.08 mi (2,219.42 km) |
| Mountain Ash to Levski | 1,437.22 mi (2,312.98 km) |
| Mountain Ash to Lom | 1,340.57 mi (2,157.43 km) |
| Mountain Ash to Lovech | 1,428.77 mi (2,299.38 km) |
| Mountain Ash to Lukovit | 1,403.30 mi (2,258.39 km) |
| Mountain Ash to Lyaskovets | 1,471.87 mi (2,368.75 km) |
| Mountain Ash to Mezdra | 1,385.86 mi (2,230.33 km) |
| Mountain Ash to Momchilgrad | 1,522.41 mi (2,450.08 km) |
