| Sidney to Juprelle | 4,131.65 mi (6,649.25 km) |
| Sidney to Jurbise | 4,075.38 mi (6,558.69 km) |
| Sidney to Kalmthout | 4,069.28 mi (6,548.87 km) |
| Sidney to Kampenhout | 4,086.43 mi (6,576.47 km) |
| Sidney to Kapelle-op-den-Bos | 4,076.97 mi (6,561.25 km) |
| Sidney to Kapellen | 4,070.09 mi (6,550.17 km) |
| Sidney to Kasterlee | 4,092.05 mi (6,585.52 km) |
| Sidney to Keerbergen | 4,087.62 mi (6,578.38 km) |
| Sidney to Kinrooi | 4,125.72 mi (6,639.70 km) |
| Sidney to Knokke-Heist | 4,025.11 mi (6,477.78 km) |
| Sidney to Koekelare | 4,020.90 mi (6,471.01 km) |
| Sidney to Koekelberg | 4,080.41 mi (6,566.79 km) |
| Sidney to Koksijde | 4,007.75 mi (6,449.85 km) |
| Sidney to Kontich | 4,076.51 mi (6,560.50 km) |
| Sidney to Kortemark | 4,025.29 mi (6,478.09 km) |
