| Carcassonne to Mouscron | 521.40 mi (839.12 km) |
| Carcassonne to Namur | 515.22 mi (829.17 km) |
| Carcassonne to Neder-Over-Heembeek | 539.82 mi (868.76 km) |
| Carcassonne to Neerpelt | 572.79 mi (921.82 km) |
| Carcassonne to Nevele | 543.45 mi (874.60 km) |
| Carcassonne to Niel | 554.13 mi (891.79 km) |
| Carcassonne to Nieuwpoort | 546.62 mi (879.70 km) |
| Carcassonne to Nijlen | 560.19 mi (901.53 km) |
| Carcassonne to Ninove | 532.50 mi (856.97 km) |
| Carcassonne to Nivelles | 517.79 mi (833.30 km) |
| Carcassonne to Olen | 560.93 mi (902.74 km) |
| Carcassonne to Oostakker | 549.17 mi (883.80 km) |
| Carcassonne to Oosterzele | 539.09 mi (867.58 km) |
| Carcassonne to Oostkamp | 550.47 mi (885.89 km) |
| Carcassonne to Opglabbeek | 562.46 mi (905.20 km) |
