| Kilkis to Juprelle | 1,066.96 mi (1,717.10 km) |
| Kilkis to Jurbise | 1,120.92 mi (1,803.95 km) |
| Kilkis to Kalmthout | 1,130.73 mi (1,819.73 km) |
| Kilkis to Kampenhout | 1,111.63 mi (1,789.00 km) |
| Kilkis to Kapelle-op-den-Bos | 1,121.13 mi (1,804.29 km) |
| Kilkis to Kapellen | 1,129.50 mi (1,817.76 km) |
| Kilkis to Kasterlee | 1,108.18 mi (1,783.44 km) |
| Kilkis to Keerbergen | 1,110.82 mi (1,787.69 km) |
| Kilkis to Kinrooi | 1,075.63 mi (1,731.06 km) |
| Kilkis to Knokke-Heist | 1,172.82 mi (1,887.47 km) |
| Kilkis to Koekelare | 1,175.91 mi (1,892.44 km) |
| Kilkis to Koekelberg | 1,117.09 mi (1,797.78 km) |
| Kilkis to Koksijde | 1,188.83 mi (1,913.23 km) |
| Kilkis to Kontich | 1,122.22 mi (1,806.04 km) |
| Kilkis to Kortemark | 1,171.41 mi (1,885.21 km) |
