| Avon Lake to Montalegre | 3,702.70 mi (5,958.92 km) |
| Avon Lake to Montemor-o-Novo | 3,783.52 mi (6,088.98 km) |
| Avon Lake to Montemor-o-Velho | 3,712.74 mi (5,975.07 km) |
| Avon Lake to Montijo | 3,749.93 mi (6,034.92 km) |
| Avon Lake to Mortagua | 3,725.44 mi (5,995.51 km) |
| Avon Lake to Moura | 3,837.05 mi (6,175.14 km) |
| Avon Lake to Murtosa | 3,697.33 mi (5,950.28 km) |
| Avon Lake to Nazare | 3,712.59 mi (5,974.84 km) |
| Avon Lake to Nelas | 3,740.73 mi (6,020.12 km) |
| Avon Lake to Obidos | 3,715.97 mi (5,980.28 km) |
| Avon Lake to Odemira | 3,798.83 mi (6,113.62 km) |
| Avon Lake to Odivelas | 3,733.14 mi (6,007.92 km) |
| Avon Lake to Oeiras | 3,730.07 mi (6,002.97 km) |
| Avon Lake to Olhao | 3,855.60 mi (6,204.98 km) |
| Avon Lake to Oliveira de Azemeis | 3,701.40 mi (5,956.83 km) |
