| Astoria to Montalegre | 5,198.05 mi (8,365.45 km) |
| Astoria to Montemor-o-Novo | 5,351.86 mi (8,612.98 km) |
| Astoria to Montemor-o-Velho | 5,255.57 mi (8,458.02 km) |
| Astoria to Montijo | 5,326.43 mi (8,572.06 km) |
| Astoria to Mortagua | 5,256.77 mi (8,459.96 km) |
| Astoria to Moura | 5,405.82 mi (8,699.83 km) |
| Astoria to Murtosa | 5,227.39 mi (8,412.68 km) |
| Astoria to Nazare | 5,272.30 mi (8,484.94 km) |
| Astoria to Nelas | 5,265.29 mi (8,473.67 km) |
| Astoria to Obidos | 5,281.89 mi (8,500.39 km) |
| Astoria to Odemira | 5,393.99 mi (8,680.79 km) |
| Astoria to Odivelas | 5,311.06 mi (8,547.32 km) |
| Astoria to Oeiras | 5,311.92 mi (8,548.71 km) |
| Astoria to Olhao | 5,451.42 mi (8,773.21 km) |
| Astoria to Oliveira de Azemeis | 5,227.12 mi (8,412.24 km) |
