| Alvin to Montalegre | 4,779.51 mi (7,691.87 km) |
| Alvin to Montemor-o-Novo | 4,840.08 mi (7,789.36 km) |
| Alvin to Montemor-o-Velho | 4,777.98 mi (7,689.41 km) |
| Alvin to Montijo | 4,805.05 mi (7,732.98 km) |
| Alvin to Mortagua | 4,793.28 mi (7,714.04 km) |
| Alvin to Moura | 4,892.10 mi (7,873.08 km) |
| Alvin to Murtosa | 4,766.17 mi (7,670.40 km) |
| Alvin to Nazare | 4,773.38 mi (7,682.01 km) |
| Alvin to Nelas | 4,809.87 mi (7,740.74 km) |
| Alvin to Obidos | 4,774.97 mi (7,684.57 km) |
| Alvin to Odemira | 4,847.09 mi (7,800.63 km) |
| Alvin to Odivelas | 4,788.31 mi (7,706.04 km) |
| Alvin to Oeiras | 4,784.17 mi (7,699.39 km) |
| Alvin to Olhao | 4,902.10 mi (7,889.17 km) |
| Alvin to Oliveira de Azemeis | 4,771.20 mi (7,678.51 km) |
