| Nivelles to Montemor-o-Novo | 1,026.47 mi (1,651.95 km) |
| Nivelles to Montemor-o-Velho | 954.34 mi (1,535.86 km) |
| Nivelles to Montijo | 1,044.71 mi (1,681.30 km) |
| Nivelles to Mortagua | 925.40 mi (1,489.29 km) |
| Nivelles to Moura | 1,035.43 mi (1,666.36 km) |
| Nivelles to Murtosa | 921.64 mi (1,483.24 km) |
| Nivelles to Nazare | 997.91 mi (1,605.98 km) |
| Nivelles to Nelas | 908.83 mi (1,462.63 km) |
| Nivelles to Obidos | 1,014.30 mi (1,632.36 km) |
| Nivelles to Odemira | 1,101.03 mi (1,771.93 km) |
| Nivelles to Odivelas | 1,047.06 mi (1,685.09 km) |
| Nivelles to Oeiras | 1,057.34 mi (1,701.62 km) |
| Nivelles to Olhao | 1,112.58 mi (1,790.53 km) |
| Nivelles to Oliveira de Azemeis | 910.73 mi (1,465.68 km) |
| Nivelles to Oliveira de Frades | 908.16 mi (1,461.55 km) |
