| Castano Primo to Mouscron | 439.88 mi (707.92 km) |
| Castano Primo to Namur | 384.45 mi (618.71 km) |
| Castano Primo to Neder-Over-Heembeek | 420.95 mi (677.46 km) |
| Castano Primo to Neerpelt | 421.30 mi (678.01 km) |
| Castano Primo to Nevele | 448.12 mi (721.18 km) |
| Castano Primo to Niel | 435.01 mi (700.08 km) |
| Castano Primo to Nieuwpoort | 473.27 mi (761.65 km) |
| Castano Primo to Nijlen | 431.48 mi (694.41 km) |
| Castano Primo to Ninove | 425.38 mi (684.58 km) |
| Castano Primo to Nivelles | 403.76 mi (649.78 km) |
| Castano Primo to Olen | 426.52 mi (686.43 km) |
| Castano Primo to Oostakker | 446.76 mi (718.99 km) |
| Castano Primo to Oosterzele | 437.29 mi (703.75 km) |
| Castano Primo to Oostkamp | 462.79 mi (744.79 km) |
| Castano Primo to Opglabbeek | 407.11 mi (655.18 km) |
