| Rotterdam to Montemor-o-Novo | 1,102.12 mi (1,773.69 km) |
| Rotterdam to Montemor-o-Velho | 1,025.68 mi (1,650.67 km) |
| Rotterdam to Montijo | 1,118.69 mi (1,800.36 km) |
| Rotterdam to Mortagua | 997.28 mi (1,604.97 km) |
| Rotterdam to Moura | 1,113.69 mi (1,792.30 km) |
| Rotterdam to Murtosa | 991.70 mi (1,595.99 km) |
| Rotterdam to Nazare | 1,069.58 mi (1,721.32 km) |
| Rotterdam to Nelas | 981.53 mi (1,579.62 km) |
| Rotterdam to Obidos | 1,086.27 mi (1,748.19 km) |
| Rotterdam to Odemira | 1,177.54 mi (1,895.06 km) |
| Rotterdam to Odivelas | 1,120.16 mi (1,802.73 km) |
| Rotterdam to Oeiras | 1,130.33 mi (1,819.09 km) |
| Rotterdam to Olhao | 1,191.60 mi (1,917.70 km) |
| Rotterdam to Oliveira de Azemeis | 980.94 mi (1,578.67 km) |
| Rotterdam to Oliveira de Frades | 979.48 mi (1,576.32 km) |
