| Alken to Karnobat | 1,167.26 mi (1,878.53 km) |
| Alken to Kavarna | 1,191.20 mi (1,917.06 km) |
| Alken to Kazanlak | 1,103.97 mi (1,776.66 km) |
| Alken to Knezha | 1,014.10 mi (1,632.03 km) |
| Alken to Kostinbrod | 1,008.97 mi (1,623.77 km) |
| Alken to Kozloduy | 988.39 mi (1,590.66 km) |
| Alken to Kyustendil | 1,012.47 mi (1,629.41 km) |
| Alken to Levski | 1,061.95 mi (1,709.05 km) |
| Alken to Lom | 966.75 mi (1,555.83 km) |
| Alken to Lovech | 1,054.73 mi (1,697.43 km) |
| Alken to Lukovit | 1,029.95 mi (1,657.55 km) |
| Alken to Lyaskovets | 1,096.53 mi (1,764.70 km) |
| Alken to Mezdra | 1,013.50 mi (1,631.08 km) |
| Alken to Momchilgrad | 1,152.23 mi (1,854.33 km) |
| Alken to Montana | 983.59 mi (1,582.94 km) |
