| Metairie to Montalegre | 4,507.28 mi (7,253.77 km) |
| Metairie to Montemor-o-Novo | 4,559.70 mi (7,338.13 km) |
| Metairie to Montemor-o-Velho | 4,500.90 mi (7,243.49 km) |
| Metairie to Montijo | 4,524.27 mi (7,281.11 km) |
| Metairie to Mortagua | 4,517.17 mi (7,269.69 km) |
| Metairie to Moura | 4,611.08 mi (7,420.81 km) |
| Metairie to Murtosa | 4,490.53 mi (7,226.81 km) |
| Metairie to Nazare | 4,494.65 mi (7,233.44 km) |
| Metairie to Nelas | 4,534.25 mi (7,297.16 km) |
| Metairie to Obidos | 4,495.60 mi (7,234.97 km) |
| Metairie to Odemira | 4,564.00 mi (7,345.05 km) |
| Metairie to Odivelas | 4,507.58 mi (7,254.26 km) |
| Metairie to Oeiras | 4,503.11 mi (7,247.05 km) |
| Metairie to Olhao | 4,618.34 mi (7,432.51 km) |
| Metairie to Oliveira de Azemeis | 4,495.95 mi (7,235.53 km) |
