| West Carson to Karlovo | 6,661.13 mi (10,720.06 km) |
| West Carson to Karnobat | 6,715.90 mi (10,808.19 km) |
| West Carson to Kavarna | 6,699.03 mi (10,781.05 km) |
| West Carson to Kazanlak | 6,677.77 mi (10,746.83 km) |
| West Carson to Knezha | 6,591.61 mi (10,608.17 km) |
| West Carson to Kostinbrod | 6,609.62 mi (10,637.16 km) |
| West Carson to Kozloduy | 6,565.84 mi (10,566.70 km) |
| West Carson to Kyustendil | 6,626.85 mi (10,664.88 km) |
| West Carson to Levski | 6,626.10 mi (10,663.67 km) |
| West Carson to Lom | 6,550.58 mi (10,542.14 km) |
| West Carson to Lovech | 6,629.50 mi (10,669.16 km) |
| West Carson to Lukovit | 6,611.58 mi (10,640.32 km) |
| West Carson to Lyaskovets | 6,656.63 mi (10,712.82 km) |
| West Carson to Mezdra | 6,602.53 mi (10,625.74 km) |
| West Carson to Momchilgrad | 6,743.21 mi (10,852.15 km) |
