| Halden to Montemor-o-Novo | 1,660.03 mi (2,671.56 km) |
| Halden to Montemor-o-Velho | 1,576.91 mi (2,537.78 km) |
| Halden to Montijo | 1,673.81 mi (2,693.74 km) |
| Halden to Mortagua | 1,549.71 mi (2,494.02 km) |
| Halden to Moura | 1,675.27 mi (2,696.09 km) |
| Halden to Murtosa | 1,540.95 mi (2,479.91 km) |
| Halden to Nazare | 1,621.02 mi (2,608.78 km) |
| Halden to Nelas | 1,535.48 mi (2,471.11 km) |
| Halden to Obidos | 1,638.13 mi (2,636.31 km) |
| Halden to Odemira | 1,736.42 mi (2,794.50 km) |
| Halden to Odivelas | 1,673.77 mi (2,693.68 km) |
| Halden to Oeiras | 1,683.67 mi (2,709.60 km) |
| Halden to Olhao | 1,753.95 mi (2,822.70 km) |
| Halden to Oliveira de Azemeis | 1,530.57 mi (2,463.21 km) |
| Halden to Oliveira de Frades | 1,531.09 mi (2,464.05 km) |
