| West Haven to Montalegre | 3,284.98 mi (5,286.66 km) |
| West Haven to Montemor-o-Novo | 3,352.35 mi (5,395.09 km) |
| West Haven to Montemor-o-Velho | 3,286.73 mi (5,289.49 km) |
| West Haven to Montijo | 3,317.91 mi (5,339.66 km) |
| West Haven to Mortagua | 3,301.17 mi (5,312.72 km) |
| West Haven to Moura | 3,405.12 mi (5,480.01 km) |
| West Haven to Murtosa | 3,273.71 mi (5,268.53 km) |
| West Haven to Nazare | 3,283.80 mi (5,284.76 km) |
| West Haven to Nelas | 3,317.36 mi (5,338.78 km) |
| West Haven to Obidos | 3,286.12 mi (5,288.50 km) |
| West Haven to Odemira | 3,363.26 mi (5,412.65 km) |
| West Haven to Odivelas | 3,301.12 mi (5,312.65 km) |
| West Haven to Oeiras | 3,297.46 mi (5,306.75 km) |
| West Haven to Olhao | 3,419.26 mi (5,502.76 km) |
| West Haven to Oliveira de Azemeis | 3,278.46 mi (5,276.17 km) |
