| Saint-Gregoire to Mouscron | 283.35 mi (456.01 km) |
| Saint-Gregoire to Namur | 335.59 mi (540.07 km) |
| Saint-Gregoire to Neder-Over-Heembeek | 331.75 mi (533.90 km) |
| Saint-Gregoire to Neerpelt | 382.63 mi (615.79 km) |
| Saint-Gregoire to Nevele | 307.53 mi (494.91 km) |
| Saint-Gregoire to Niel | 338.26 mi (544.38 km) |
| Saint-Gregoire to Nieuwpoort | 285.20 mi (458.98 km) |
| Saint-Gregoire to Nijlen | 351.54 mi (565.75 km) |
| Saint-Gregoire to Ninove | 315.84 mi (508.30 km) |
| Saint-Gregoire to Nivelles | 317.96 mi (511.70 km) |
| Saint-Gregoire to Olen | 358.15 mi (576.38 km) |
| Saint-Gregoire to Oostakker | 317.78 mi (511.41 km) |
| Saint-Gregoire to Oosterzele | 312.71 mi (503.26 km) |
| Saint-Gregoire to Oostkamp | 302.41 mi (486.67 km) |
| Saint-Gregoire to Opglabbeek | 381.95 mi (614.69 km) |
