| Serik to Montalegre | 2,086.68 mi (3,358.18 km) |
| Serik to Montemor-o-Novo | 2,133.84 mi (3,434.08 km) |
| Serik to Montemor-o-Velho | 2,143.67 mi (3,449.91 km) |
| Serik to Montijo | 2,169.83 mi (3,492.00 km) |
| Serik to Mortagua | 2,117.98 mi (3,408.57 km) |
| Serik to Moura | 2,098.82 mi (3,377.72 km) |
| Serik to Murtosa | 2,136.62 mi (3,438.56 km) |
| Serik to Nazare | 2,168.96 mi (3,490.61 km) |
| Serik to Nelas | 2,097.34 mi (3,375.34 km) |
| Serik to Obidos | 2,176.19 mi (3,502.24 km) |
| Serik to Odemira | 2,169.22 mi (3,491.02 km) |
| Serik to Odivelas | 2,183.48 mi (3,513.97 km) |
| Serik to Oeiras | 2,191.99 mi (3,527.67 km) |
| Serik to Olhao | 2,134.22 mi (3,434.69 km) |
| Serik to Oliveira de Azemeis | 2,127.63 mi (3,424.09 km) |
