| Neath to Montalegre | 705.05 mi (1,134.67 km) |
| Neath to Montemor-o-Novo | 923.75 mi (1,486.63 km) |
| Neath to Montemor-o-Velho | 827.47 mi (1,331.68 km) |
| Neath to Montijo | 929.67 mi (1,496.16 km) |
| Neath to Mortagua | 803.78 mi (1,293.57 km) |
| Neath to Moura | 951.12 mi (1,530.68 km) |
| Neath to Murtosa | 788.97 mi (1,269.72 km) |
| Neath to Nazare | 870.53 mi (1,400.99 km) |
| Neath to Nelas | 793.57 mi (1,277.13 km) |
| Neath to Obidos | 887.94 mi (1,428.99 km) |
| Neath to Odemira | 1,000.55 mi (1,610.23 km) |
| Neath to Odivelas | 926.17 mi (1,490.52 km) |
| Neath to Oeiras | 935.19 mi (1,505.03 km) |
| Neath to Olhao | 1,030.13 mi (1,657.84 km) |
| Neath to Oliveira de Azemeis | 779.69 mi (1,254.80 km) |
