| Armthorpe to Montalegre | 866.89 mi (1,395.12 km) |
| Armthorpe to Montemor-o-Novo | 1,082.91 mi (1,742.78 km) |
| Armthorpe to Montemor-o-Velho | 990.19 mi (1,593.56 km) |
| Armthorpe to Montijo | 1,091.26 mi (1,756.21 km) |
| Armthorpe to Mortagua | 965.27 mi (1,553.45 km) |
| Armthorpe to Moura | 1,106.73 mi (1,781.12 km) |
| Armthorpe to Murtosa | 952.30 mi (1,532.59 km) |
| Armthorpe to Nazare | 1,033.79 mi (1,663.73 km) |
| Armthorpe to Nelas | 953.71 mi (1,534.84 km) |
| Armthorpe to Obidos | 1,051.18 mi (1,691.72 km) |
| Armthorpe to Odemira | 1,159.99 mi (1,866.83 km) |
| Armthorpe to Odivelas | 1,088.80 mi (1,752.25 km) |
| Armthorpe to Oeiras | 1,098.12 mi (1,767.25 km) |
| Armthorpe to Olhao | 1,186.14 mi (1,908.91 km) |
| Armthorpe to Oliveira de Azemeis | 942.63 mi (1,517.01 km) |
