| Sliven to Kamenz | 825.15 mi (1,327.96 km) |
| Sliven to Kamp-Lintfort | 1,107.39 mi (1,782.17 km) |
| Sliven to Kandel | 974.48 mi (1,568.27 km) |
| Sliven to Kappeln | 1,110.35 mi (1,786.93 km) |
| Sliven to Karben | 981.73 mi (1,579.94 km) |
| Sliven to Karlsdorf-Neuthard | 961.20 mi (1,546.90 km) |
| Sliven to Karlsfeld | 813.82 mi (1,309.71 km) |
| Sliven to Karlsruhe | 964.04 mi (1,551.48 km) |
| Sliven to Kassel | 988.62 mi (1,591.03 km) |
| Sliven to Kaufbeuren | 841.92 mi (1,354.93 km) |
| Sliven to Kaufering | 835.42 mi (1,344.48 km) |
| Sliven to Kaufungen | 982.91 mi (1,581.85 km) |
| Sliven to Kehl | 979.44 mi (1,576.26 km) |
| Sliven to Kelheim | 817.17 mi (1,315.10 km) |
| Sliven to Kelkheim (Taunus) | 991.76 mi (1,596.09 km) |
