| Castelnau-le-Lez to Mouscron | 491.36 mi (790.77 km) |
| Castelnau-le-Lez to Namur | 474.06 mi (762.93 km) |
| Castelnau-le-Lez to Neder-Over-Heembeek | 502.34 mi (808.43 km) |
| Castelnau-le-Lez to Neerpelt | 529.69 mi (852.45 km) |
| Castelnau-le-Lez to Nevele | 511.31 mi (822.87 km) |
| Castelnau-le-Lez to Niel | 517.20 mi (832.35 km) |
| Castelnau-le-Lez to Nieuwpoort | 519.59 mi (836.20 km) |
| Castelnau-le-Lez to Nijlen | 521.43 mi (839.15 km) |
| Castelnau-le-Lez to Ninove | 497.25 mi (800.25 km) |
| Castelnau-le-Lez to Nivelles | 480.34 mi (773.04 km) |
| Castelnau-le-Lez to Olen | 520.98 mi (838.44 km) |
| Castelnau-le-Lez to Oostakker | 515.69 mi (829.92 km) |
| Castelnau-le-Lez to Oosterzele | 505.31 mi (813.22 km) |
| Castelnau-le-Lez to Oostkamp | 520.34 mi (837.40 km) |
| Castelnau-le-Lez to Opglabbeek | 518.17 mi (833.92 km) |
