| Union Park to Karlovo | 5,640.78 mi (9,077.96 km) |
| Union Park to Karnobat | 5,734.83 mi (9,229.31 km) |
| Union Park to Kavarna | 5,761.62 mi (9,272.44 km) |
| Union Park to Kazanlak | 5,667.41 mi (9,120.82 km) |
| Union Park to Knezha | 5,578.90 mi (8,978.36 km) |
| Union Park to Kostinbrod | 5,565.40 mi (8,956.64 km) |
| Union Park to Kozloduy | 5,553.85 mi (8,938.05 km) |
| Union Park to Kyustendil | 5,560.56 mi (8,948.85 km) |
| Union Park to Levski | 5,628.72 mi (9,058.55 km) |
| Union Park to Lom | 5,531.05 mi (8,901.37 km) |
| Union Park to Lovech | 5,619.22 mi (9,043.26 km) |
| Union Park to Lukovit | 5,593.14 mi (9,001.29 km) |
| Union Park to Lyaskovets | 5,663.39 mi (9,114.35 km) |
| Union Park to Mezdra | 5,574.72 mi (8,971.65 km) |
| Union Park to Momchilgrad | 5,707.68 mi (9,185.62 km) |
