| Manhattan to Montalegre | 3,346.32 mi (5,385.38 km) |
| Manhattan to Montemor-o-Novo | 3,412.84 mi (5,492.44 km) |
| Manhattan to Montemor-o-Velho | 3,347.61 mi (5,387.46 km) |
| Manhattan to Montijo | 3,378.34 mi (5,436.91 km) |
| Manhattan to Mortagua | 3,362.15 mi (5,410.86 km) |
| Manhattan to Moura | 3,465.54 mi (5,577.25 km) |
| Manhattan to Murtosa | 3,334.74 mi (5,366.75 km) |
| Manhattan to Nazare | 3,344.48 mi (5,382.42 km) |
| Manhattan to Nelas | 3,378.40 mi (5,437.01 km) |
| Manhattan to Obidos | 3,346.72 mi (5,386.03 km) |
| Manhattan to Odemira | 3,423.38 mi (5,509.39 km) |
| Manhattan to Odivelas | 3,361.55 mi (5,409.90 km) |
| Manhattan to Oeiras | 3,357.84 mi (5,403.93 km) |
| Manhattan to Olhao | 3,479.29 mi (5,599.37 km) |
| Manhattan to Oliveira de Azemeis | 3,339.53 mi (5,374.45 km) |
