| Hellevoetsluis to Montemor-o-Novo | 1,086.99 mi (1,749.34 km) |
| Hellevoetsluis to Montemor-o-Velho | 1,010.01 mi (1,625.45 km) |
| Hellevoetsluis to Montijo | 1,103.32 mi (1,775.63 km) |
| Hellevoetsluis to Mortagua | 981.68 mi (1,579.87 km) |
| Hellevoetsluis to Moura | 1,098.97 mi (1,768.62 km) |
| Hellevoetsluis to Murtosa | 975.90 mi (1,570.56 km) |
| Hellevoetsluis to Nazare | 1,053.94 mi (1,696.15 km) |
| Hellevoetsluis to Nelas | 966.03 mi (1,554.68 km) |
| Hellevoetsluis to Obidos | 1,070.67 mi (1,723.07 km) |
| Hellevoetsluis to Odemira | 1,162.52 mi (1,870.90 km) |
| Hellevoetsluis to Odivelas | 1,104.69 mi (1,777.82 km) |
| Hellevoetsluis to Oeiras | 1,114.83 mi (1,794.15 km) |
| Hellevoetsluis to Olhao | 1,177.00 mi (1,894.21 km) |
| Hellevoetsluis to Oliveira de Azemeis | 965.16 mi (1,553.27 km) |
| Hellevoetsluis to Oliveira de Frades | 963.82 mi (1,551.11 km) |
