| Grande-Synthe to Juprelle | 142.35 mi (229.09 km) |
| Grande-Synthe to Jurbise | 78.60 mi (126.49 km) |
| Grande-Synthe to Kalmthout | 97.10 mi (156.26 km) |
| Grande-Synthe to Kampenhout | 97.87 mi (157.50 km) |
| Grande-Synthe to Kapelle-op-den-Bos | 89.71 mi (144.37 km) |
| Grande-Synthe to Kapellen | 94.65 mi (152.32 km) |
| Grande-Synthe to Kasterlee | 115.92 mi (186.56 km) |
| Grande-Synthe to Keerbergen | 101.22 mi (162.90 km) |
| Grande-Synthe to Kinrooi | 149.47 mi (240.55 km) |
| Grande-Synthe to Knokke-Heist | 48.26 mi (77.67 km) |
| Grande-Synthe to Koekelare | 29.90 mi (48.12 km) |
| Grande-Synthe to Koekelberg | 88.98 mi (143.21 km) |
| Grande-Synthe to Koksijde | 16.21 mi (26.09 km) |
| Grande-Synthe to Kontich | 93.58 mi (150.60 km) |
| Grande-Synthe to Kortemark | 32.25 mi (51.90 km) |
