| Grez-Doiceau to Namur | 19.82 mi (31.89 km) |
| Grez-Doiceau to Neder-Over-Heembeek | 17.99 mi (28.96 km) |
| Grez-Doiceau to Neerpelt | 47.02 mi (75.67 km) |
| Grez-Doiceau to Nevele | 54.25 mi (87.30 km) |
| Grez-Doiceau to Niel | 30.93 mi (49.78 km) |
| Grez-Doiceau to Nieuwpoort | 88.96 mi (143.17 km) |
| Grez-Doiceau to Nijlen | 30.02 mi (48.32 km) |
| Grez-Doiceau to Ninove | 30.64 mi (49.31 km) |
| Grez-Doiceau to Nivelles | 19.73 mi (31.75 km) |
| Grez-Doiceau to Olen | 29.52 mi (47.51 km) |
| Grez-Doiceau to Oostakker | 47.90 mi (77.09 km) |
| Grez-Doiceau to Oosterzele | 42.02 mi (67.63 km) |
| Grez-Doiceau to Oostkamp | 70.09 mi (112.79 km) |
| Grez-Doiceau to Opglabbeek | 44.28 mi (71.26 km) |
| Grez-Doiceau to Opwijk | 27.71 mi (44.60 km) |
