| Smolyan to Juprelle | 1,108.26 mi (1,783.57 km) |
| Smolyan to Jurbise | 1,166.01 mi (1,876.52 km) |
| Smolyan to Kalmthout | 1,170.57 mi (1,883.85 km) |
| Smolyan to Kampenhout | 1,153.58 mi (1,856.51 km) |
| Smolyan to Kapelle-op-den-Bos | 1,163.02 mi (1,871.70 km) |
| Smolyan to Kapellen | 1,169.74 mi (1,882.51 km) |
| Smolyan to Kasterlee | 1,147.81 mi (1,847.22 km) |
| Smolyan to Keerbergen | 1,152.30 mi (1,854.45 km) |
| Smolyan to Kinrooi | 1,114.26 mi (1,793.23 km) |
| Smolyan to Knokke-Heist | 1,214.89 mi (1,955.18 km) |
| Smolyan to Koekelare | 1,219.70 mi (1,962.92 km) |
| Smolyan to Koekelberg | 1,159.80 mi (1,866.51 km) |
| Smolyan to Koksijde | 1,233.07 mi (1,984.44 km) |
| Smolyan to Kontich | 1,163.36 mi (1,872.25 km) |
| Smolyan to Kortemark | 1,215.41 mi (1,956.02 km) |
