| Smolyan to Koscielisko | 580.72 mi (934.57 km) |
| Smolyan to Koscierzyna | 919.26 mi (1,479.40 km) |
| Smolyan to Kostrzyn | 824.88 mi (1,327.52 km) |
| Smolyan to Kostrzyn nad Odra | 893.08 mi (1,437.28 km) |
| Smolyan to Koszalin | 955.25 mi (1,537.32 km) |
| Smolyan to Kowary | 763.44 mi (1,228.64 km) |
| Smolyan to Kozienice | 706.60 mi (1,137.16 km) |
| Smolyan to Kozuchow | 822.96 mi (1,324.42 km) |
| Smolyan to Kozy | 631.41 mi (1,016.15 km) |
| Smolyan to Krakow | 628.74 mi (1,011.86 km) |
| Smolyan to Krapkowice | 692.91 mi (1,115.14 km) |
| Smolyan to Krasnik | 655.60 mi (1,055.08 km) |
| Smolyan to Krasnystaw | 653.46 mi (1,051.65 km) |
| Smolyan to Krosno | 577.40 mi (929.23 km) |
| Smolyan to Krosno Odrzanskie | 851.26 mi (1,369.97 km) |
