| Westbrook to Montalegre | 3,098.94 mi (4,987.27 km) |
| Westbrook to Montemor-o-Novo | 3,174.42 mi (5,108.74 km) |
| Westbrook to Montemor-o-Velho | 3,105.42 mi (4,997.70 km) |
| Westbrook to Montijo | 3,140.56 mi (5,054.24 km) |
| Westbrook to Mortagua | 3,118.82 mi (5,019.25 km) |
| Westbrook to Moura | 3,227.74 mi (5,194.55 km) |
| Westbrook to Murtosa | 3,090.96 mi (4,974.42 km) |
| Westbrook to Nazare | 3,104.26 mi (4,995.82 km) |
| Westbrook to Nelas | 3,134.48 mi (5,044.46 km) |
| Westbrook to Obidos | 3,107.28 mi (5,000.68 km) |
| Westbrook to Odemira | 3,188.50 mi (5,131.39 km) |
| Westbrook to Odivelas | 3,123.77 mi (5,027.22 km) |
| Westbrook to Oeiras | 3,120.52 mi (5,021.99 km) |
| Westbrook to Olhao | 3,245.10 mi (5,222.48 km) |
| Westbrook to Oliveira de Azemeis | 3,095.31 mi (4,981.43 km) |
