| Tonyrefail to Karlovo | 1,452.34 mi (2,337.31 km) |
| Tonyrefail to Karnobat | 1,543.84 mi (2,484.58 km) |
| Tonyrefail to Kavarna | 1,570.69 mi (2,527.78 km) |
| Tonyrefail to Kazanlak | 1,478.12 mi (2,378.81 km) |
| Tonyrefail to Knezha | 1,388.88 mi (2,235.18 km) |
| Tonyrefail to Kostinbrod | 1,379.43 mi (2,219.97 km) |
| Tonyrefail to Kozloduy | 1,363.52 mi (2,194.38 km) |
| Tonyrefail to Kyustendil | 1,379.14 mi (2,219.52 km) |
| Tonyrefail to Levski | 1,437.96 mi (2,314.17 km) |
| Tonyrefail to Lom | 1,341.18 mi (2,158.42 km) |
| Tonyrefail to Lovech | 1,429.39 mi (2,300.38 km) |
| Tonyrefail to Lukovit | 1,403.86 mi (2,259.29 km) |
| Tonyrefail to Lyaskovets | 1,472.62 mi (2,369.96 km) |
| Tonyrefail to Mezdra | 1,386.34 mi (2,231.10 km) |
| Tonyrefail to Momchilgrad | 1,522.69 mi (2,450.53 km) |
