| Dour to Montemor-o-Novo | 1,001.36 mi (1,611.53 km) |
| Dour to Montemor-o-Velho | 928.54 mi (1,494.33 km) |
| Dour to Montijo | 1,019.31 mi (1,640.43 km) |
| Dour to Mortagua | 899.67 mi (1,447.88 km) |
| Dour to Moura | 1,010.86 mi (1,626.82 km) |
| Dour to Murtosa | 895.68 mi (1,441.45 km) |
| Dour to Nazare | 972.16 mi (1,564.55 km) |
| Dour to Nelas | 883.21 mi (1,421.39 km) |
| Dour to Obidos | 988.59 mi (1,590.99 km) |
| Dour to Odemira | 1,076.09 mi (1,731.81 km) |
| Dour to Odivelas | 1,021.53 mi (1,643.99 km) |
| Dour to Oeiras | 1,031.79 mi (1,660.50 km) |
| Dour to Olhao | 1,088.21 mi (1,751.30 km) |
| Dour to Oliveira de Azemeis | 884.78 mi (1,423.92 km) |
| Dour to Oliveira de Frades | 882.35 mi (1,420.00 km) |
