| Grez-Doiceau to Jurbise | 36.33 mi (58.47 km) |
| Grez-Doiceau to Kalmthout | 46.04 mi (74.09 km) |
| Grez-Doiceau to Kampenhout | 15.80 mi (25.43 km) |
| Grez-Doiceau to Kapelle-op-den-Bos | 24.38 mi (39.24 km) |
| Grez-Doiceau to Kapellen | 41.94 mi (67.50 km) |
| Grez-Doiceau to Kasterlee | 37.32 mi (60.06 km) |
| Grez-Doiceau to Keerbergen | 18.88 mi (30.39 km) |
| Grez-Doiceau to Kinrooi | 53.48 mi (86.07 km) |
| Grez-Doiceau to Knokke-Heist | 74.39 mi (119.72 km) |
| Grez-Doiceau to Koekelare | 78.88 mi (126.94 km) |
| Grez-Doiceau to Koekelberg | 18.48 mi (29.74 km) |
| Grez-Doiceau to Koksijde | 92.82 mi (149.38 km) |
| Grez-Doiceau to Kontich | 29.70 mi (47.80 km) |
| Grez-Doiceau to Kortemark | 75.00 mi (120.70 km) |
| Grez-Doiceau to Kortenberg | 12.66 mi (20.38 km) |
