| Portes-les-Valence to Mouscron | 412.12 mi (663.24 km) |
| Portes-les-Valence to Namur | 386.47 mi (621.96 km) |
| Portes-les-Valence to Neder-Over-Heembeek | 417.03 mi (671.14 km) |
| Portes-les-Valence to Neerpelt | 440.18 mi (708.40 km) |
| Portes-les-Valence to Nevele | 430.00 mi (692.01 km) |
| Portes-les-Valence to Niel | 432.10 mi (695.40 km) |
| Portes-les-Valence to Nieuwpoort | 442.39 mi (711.95 km) |
| Portes-les-Valence to Nijlen | 434.96 mi (700.00 km) |
| Portes-les-Valence to Ninove | 413.71 mi (665.81 km) |
| Portes-les-Valence to Nivelles | 395.38 mi (636.30 km) |
| Portes-les-Valence to Olen | 433.68 mi (697.94 km) |
| Portes-les-Valence to Oostakker | 433.26 mi (697.26 km) |
| Portes-les-Valence to Oosterzele | 422.80 mi (680.42 km) |
| Portes-les-Valence to Oostkamp | 440.53 mi (708.96 km) |
| Portes-les-Valence to Opglabbeek | 428.01 mi (688.82 km) |
