| Port Charlotte to Montalegre | 4,226.99 mi (6,802.69 km) |
| Port Charlotte to Montemor-o-Novo | 4,252.29 mi (6,843.40 km) |
| Port Charlotte to Montemor-o-Velho | 4,205.08 mi (6,767.42 km) |
| Port Charlotte to Montijo | 4,215.85 mi (6,784.75 km) |
| Port Charlotte to Mortagua | 4,224.39 mi (6,798.49 km) |
| Port Charlotte to Moura | 4,300.99 mi (6,921.78 km) |
| Port Charlotte to Murtosa | 4,199.54 mi (6,758.51 km) |
| Port Charlotte to Nazare | 4,193.44 mi (6,748.69 km) |
| Port Charlotte to Nelas | 4,242.84 mi (6,828.20 km) |
| Port Charlotte to Obidos | 4,192.23 mi (6,746.74 km) |
| Port Charlotte to Odemira | 4,247.24 mi (6,835.28 km) |
| Port Charlotte to Odivelas | 4,199.52 mi (6,758.48 km) |
| Port Charlotte to Oeiras | 4,193.92 mi (6,749.46 km) |
| Port Charlotte to Olhao | 4,298.74 mi (6,918.15 km) |
| Port Charlotte to Oliveira de Azemeis | 4,206.14 mi (6,769.13 km) |
