| Arth to Montalegre | 880.34 mi (1,416.77 km) |
| Arth to Montemor-o-Novo | 1,024.67 mi (1,649.04 km) |
| Arth to Montemor-o-Velho | 980.84 mi (1,578.51 km) |
| Arth to Montijo | 1,051.66 mi (1,692.48 km) |
| Arth to Mortagua | 950.87 mi (1,530.27 km) |
| Arth to Moura | 1,016.94 mi (1,636.61 km) |
| Arth to Murtosa | 956.86 mi (1,539.92 km) |
| Arth to Nazare | 1,020.11 mi (1,641.70 km) |
| Arth to Nelas | 930.99 mi (1,498.28 km) |
| Arth to Obidos | 1,033.94 mi (1,663.97 km) |
| Arth to Odemira | 1,090.23 mi (1,754.56 km) |
| Arth to Odivelas | 1,058.80 mi (1,703.97 km) |
| Arth to Oeiras | 1,069.18 mi (1,720.67 km) |
| Arth to Olhao | 1,085.26 mi (1,746.55 km) |
| Arth to Oliveira de Azemeis | 945.91 mi (1,522.29 km) |
