| Mackworth to Montalegre | 820.40 mi (1,320.30 km) |
| Mackworth to Montemor-o-Novo | 1,036.54 mi (1,668.16 km) |
| Mackworth to Montemor-o-Velho | 943.69 mi (1,518.72 km) |
| Mackworth to Montijo | 1,044.79 mi (1,681.43 km) |
| Mackworth to Mortagua | 918.80 mi (1,478.66 km) |
| Mackworth to Moura | 1,060.60 mi (1,706.87 km) |
| Mackworth to Murtosa | 905.79 mi (1,457.73 km) |
| Mackworth to Nazare | 987.28 mi (1,588.88 km) |
| Mackworth to Nelas | 907.28 mi (1,460.12 km) |
| Mackworth to Obidos | 1,004.67 mi (1,616.86 km) |
| Mackworth to Odemira | 1,113.62 mi (1,792.20 km) |
| Mackworth to Odivelas | 1,042.30 mi (1,677.42 km) |
| Mackworth to Oeiras | 1,051.61 mi (1,692.41 km) |
| Mackworth to Olhao | 1,139.99 mi (1,834.64 km) |
| Mackworth to Oliveira de Azemeis | 896.12 mi (1,442.16 km) |
