| Karlovo to Juprelle | 1,065.67 mi (1,715.03 km) |
| Karlovo to Jurbise | 1,125.63 mi (1,811.53 km) |
| Karlovo to Kalmthout | 1,126.83 mi (1,813.46 km) |
| Karlovo to Kampenhout | 1,111.22 mi (1,788.34 km) |
| Karlovo to Kapelle-op-den-Bos | 1,120.58 mi (1,803.41 km) |
| Karlovo to Kapellen | 1,126.25 mi (1,812.53 km) |
| Karlovo to Kasterlee | 1,104.02 mi (1,776.75 km) |
| Karlovo to Keerbergen | 1,109.66 mi (1,785.82 km) |
| Karlovo to Kinrooi | 1,069.99 mi (1,721.98 km) |
| Karlovo to Knokke-Heist | 1,172.39 mi (1,886.78 km) |
| Karlovo to Koekelare | 1,178.29 mi (1,896.27 km) |
| Karlovo to Koekelberg | 1,117.90 mi (1,799.09 km) |
| Karlovo to Koksijde | 1,191.90 mi (1,918.18 km) |
| Karlovo to Kontich | 1,120.46 mi (1,803.20 km) |
| Karlovo to Kortemark | 1,174.15 mi (1,889.60 km) |
