| Castelsarrasin to Mouscron | 472.82 mi (760.93 km) |
| Castelsarrasin to Namur | 477.61 mi (768.64 km) |
| Castelsarrasin to Neder-Over-Heembeek | 497.94 mi (801.35 km) |
| Castelsarrasin to Neerpelt | 536.03 mi (862.66 km) |
| Castelsarrasin to Nevele | 496.37 mi (798.83 km) |
| Castelsarrasin to Niel | 511.42 mi (823.06 km) |
| Castelsarrasin to Nieuwpoort | 494.88 mi (796.43 km) |
| Castelsarrasin to Nijlen | 519.18 mi (835.53 km) |
| Castelsarrasin to Ninove | 488.57 mi (786.28 km) |
| Castelsarrasin to Nivelles | 476.33 mi (766.58 km) |
| Castelsarrasin to Olen | 521.12 mi (838.66 km) |
| Castelsarrasin to Oostakker | 503.22 mi (809.85 km) |
| Castelsarrasin to Oosterzele | 493.62 mi (794.40 km) |
| Castelsarrasin to Oostkamp | 501.40 mi (806.93 km) |
| Castelsarrasin to Opglabbeek | 527.18 mi (848.41 km) |
