| Hardenberg to Juprelle | 136.00 mi (218.87 km) |
| Hardenberg to Jurbise | 181.72 mi (292.45 km) |
| Hardenberg to Kalmthout | 122.71 mi (197.48 km) |
| Hardenberg to Kampenhout | 142.92 mi (230.00 km) |
| Hardenberg to Kapelle-op-den-Bos | 143.91 mi (231.61 km) |
| Hardenberg to Kapellen | 126.91 mi (204.24 km) |
| Hardenberg to Kasterlee | 115.42 mi (185.75 km) |
| Hardenberg to Keerbergen | 137.37 mi (221.08 km) |
| Hardenberg to Kinrooi | 105.11 mi (169.15 km) |
| Hardenberg to Knokke-Heist | 165.12 mi (265.73 km) |
| Hardenberg to Koekelare | 185.74 mi (298.92 km) |
| Hardenberg to Koekelberg | 152.79 mi (245.90 km) |
| Hardenberg to Koksijde | 197.33 mi (317.56 km) |
| Hardenberg to Kontich | 135.49 mi (218.05 km) |
| Hardenberg to Kortemark | 185.96 mi (299.27 km) |
