| Acton to Montalegre | 757.64 mi (1,219.31 km) |
| Acton to Montemor-o-Novo | 968.27 mi (1,558.28 km) |
| Acton to Montemor-o-Velho | 881.03 mi (1,417.88 km) |
| Acton to Montijo | 979.71 mi (1,576.69 km) |
| Acton to Mortagua | 854.54 mi (1,375.26 km) |
| Acton to Moura | 988.00 mi (1,590.03 km) |
| Acton to Murtosa | 844.40 mi (1,358.93 km) |
| Acton to Nazare | 925.08 mi (1,488.78 km) |
| Acton to Nelas | 841.28 mi (1,353.91 km) |
| Acton to Obidos | 942.32 mi (1,516.52 km) |
| Acton to Odemira | 1,045.23 mi (1,682.14 km) |
| Acton to Odivelas | 978.73 mi (1,575.12 km) |
| Acton to Oeiras | 988.44 mi (1,590.74 km) |
| Acton to Olhao | 1,067.37 mi (1,717.76 km) |
| Acton to Oliveira de Azemeis | 834.20 mi (1,342.51 km) |
