| Castelldefels to Mouscron | 655.84 mi (1,055.47 km) |
| Castelldefels to Namur | 649.65 mi (1,045.51 km) |
| Castelldefels to Neder-Over-Heembeek | 674.51 mi (1,085.52 km) |
| Castelldefels to Neerpelt | 707.04 mi (1,137.88 km) |
| Castelldefels to Nevele | 678.04 mi (1,091.20 km) |
| Castelldefels to Niel | 688.83 mi (1,108.57 km) |
| Castelldefels to Nieuwpoort | 680.64 mi (1,095.39 km) |
| Castelldefels to Nijlen | 694.83 mi (1,118.22 km) |
| Castelldefels to Ninove | 667.21 mi (1,073.76 km) |
| Castelldefels to Nivelles | 652.47 mi (1,050.04 km) |
| Castelldefels to Olen | 695.50 mi (1,119.31 km) |
| Castelldefels to Oostakker | 683.82 mi (1,100.50 km) |
| Castelldefels to Oosterzele | 673.76 mi (1,084.31 km) |
| Castelldefels to Oostkamp | 684.88 mi (1,102.20 km) |
| Castelldefels to Opglabbeek | 696.53 mi (1,120.96 km) |
