| Swinton to Montalegre | 845.90 mi (1,361.34 km) |
| Swinton to Montemor-o-Novo | 1,063.88 mi (1,712.15 km) |
| Swinton to Montemor-o-Velho | 968.63 mi (1,558.86 km) |
| Swinton to Montijo | 1,070.56 mi (1,722.90 km) |
| Swinton to Mortagua | 944.59 mi (1,520.17 km) |
| Swinton to Moura | 1,089.97 mi (1,754.14 km) |
| Swinton to Murtosa | 930.27 mi (1,497.13 km) |
| Swinton to Nazare | 1,011.85 mi (1,628.41 km) |
| Swinton to Nelas | 933.95 mi (1,503.04 km) |
| Swinton to Obidos | 1,029.25 mi (1,656.42 km) |
| Swinton to Odemira | 1,140.81 mi (1,835.96 km) |
| Swinton to Odivelas | 1,067.34 mi (1,717.72 km) |
| Swinton to Oeiras | 1,076.44 mi (1,732.37 km) |
| Swinton to Olhao | 1,169.19 mi (1,881.62 km) |
| Swinton to Oliveira de Azemeis | 920.89 mi (1,482.03 km) |
