| Thatcham to Montalegre | 730.24 mi (1,175.21 km) |
| Thatcham to Montemor-o-Novo | 943.37 mi (1,518.21 km) |
| Thatcham to Montemor-o-Velho | 853.77 mi (1,374.01 km) |
| Thatcham to Montijo | 953.51 mi (1,534.52 km) |
| Thatcham to Mortagua | 827.87 mi (1,332.33 km) |
| Thatcham to Moura | 965.02 mi (1,553.05 km) |
| Thatcham to Murtosa | 816.61 mi (1,314.20 km) |
| Thatcham to Nazare | 897.70 mi (1,444.70 km) |
| Thatcham to Nelas | 815.29 mi (1,312.09 km) |
| Thatcham to Obidos | 915.01 mi (1,472.57 km) |
| Thatcham to Odemira | 1,020.45 mi (1,642.26 km) |
| Thatcham to Odivelas | 951.93 mi (1,531.99 km) |
| Thatcham to Oeiras | 961.50 mi (1,547.38 km) |
| Thatcham to Olhao | 1,044.46 mi (1,680.90 km) |
| Thatcham to Oliveira de Azemeis | 806.59 mi (1,298.09 km) |
