| Barreiro to Mouscron | 1,026.16 mi (1,651.45 km) |
| Barreiro to Namur | 1,061.82 mi (1,708.84 km) |
| Barreiro to Neder-Over-Heembeek | 1,068.62 mi (1,719.78 km) |
| Barreiro to Neerpelt | 1,116.79 mi (1,797.30 km) |
| Barreiro to Nevele | 1,051.36 mi (1,692.00 km) |
| Barreiro to Niel | 1,078.17 mi (1,735.15 km) |
| Barreiro to Nieuwpoort | 1,033.77 mi (1,663.69 km) |
| Barreiro to Nijlen | 1,090.01 mi (1,754.20 km) |
| Barreiro to Ninove | 1,054.42 mi (1,696.92 km) |
| Barreiro to Nivelles | 1,050.68 mi (1,690.91 km) |
| Barreiro to Olen | 1,095.10 mi (1,762.39 km) |
| Barreiro to Oostakker | 1,060.99 mi (1,707.50 km) |
| Barreiro to Oosterzele | 1,054.14 mi (1,696.47 km) |
| Barreiro to Oostkamp | 1,049.00 mi (1,688.20 km) |
| Barreiro to Opglabbeek | 1,112.43 mi (1,790.29 km) |
