| Smolyan to Kirchlinteln | 1,061.51 mi (1,708.33 km) |
| Smolyan to Kirchseeon | 769.97 mi (1,239.14 km) |
| Smolyan to Kirchzarten | 929.69 mi (1,496.19 km) |
| Smolyan to Kirkel | 996.50 mi (1,603.71 km) |
| Smolyan to Kissing | 813.79 mi (1,309.67 km) |
| Smolyan to Kisslegg | 842.67 mi (1,356.14 km) |
| Smolyan to Kitzingen | 897.15 mi (1,443.82 km) |
| Smolyan to Kleinblittersdorf | 1,000.78 mi (1,610.60 km) |
| Smolyan to Kleve | 1,121.89 mi (1,805.50 km) |
| Smolyan to Klipphausen | 843.43 mi (1,357.37 km) |
| Smolyan to Klotze | 990.41 mi (1,593.91 km) |
| Smolyan to Koblenz | 1,016.87 mi (1,636.50 km) |
| Smolyan to Kolbermoor | 754.93 mi (1,214.94 km) |
| Smolyan to Kolkwitz | 857.86 mi (1,380.59 km) |
| Smolyan to Kongen | 891.40 mi (1,434.57 km) |
