| Kars to Karlovo | 953.05 mi (1,533.78 km) |
| Kars to Karnobat | 842.58 mi (1,355.99 km) |
| Kars to Kavarna | 781.33 mi (1,257.43 km) |
| Kars to Kazanlak | 922.86 mi (1,485.20 km) |
| Kars to Knezha | 993.33 mi (1,598.61 km) |
| Kars to Kostinbrod | 1,034.14 mi (1,664.29 km) |
| Kars to Kozloduy | 1,012.61 mi (1,629.63 km) |
| Kars to Kyustendil | 1,060.93 mi (1,707.41 km) |
| Kars to Levski | 940.02 mi (1,512.81 km) |
| Kars to Lom | 1,037.50 mi (1,669.69 km) |
| Kars to Lovech | 959.52 mi (1,544.20 km) |
| Kars to Lukovit | 987.51 mi (1,589.25 km) |
| Kars to Lyaskovets | 909.08 mi (1,463.03 km) |
| Kars to Mezdra | 1,010.76 mi (1,626.66 km) |
| Kars to Momchilgrad | 921.50 mi (1,483.01 km) |
