| Port Wentworth to Montalegre | 3,981.89 mi (6,408.24 km) |
| Port Wentworth to Montemor-o-Novo | 4,024.80 mi (6,477.29 km) |
| Port Wentworth to Montemor-o-Velho | 3,969.79 mi (6,388.77 km) |
| Port Wentworth to Montijo | 3,988.99 mi (6,419.66 km) |
| Port Wentworth to Mortagua | 3,987.17 mi (6,416.73 km) |
| Port Wentworth to Moura | 4,075.41 mi (6,558.73 km) |
| Port Wentworth to Murtosa | 3,961.13 mi (6,374.82 km) |
| Port Wentworth to Nazare | 3,961.68 mi (6,375.72 km) |
| Port Wentworth to Nelas | 4,004.77 mi (6,445.06 km) |
| Port Wentworth to Obidos | 3,961.92 mi (6,376.09 km) |
| Port Wentworth to Odemira | 4,026.20 mi (6,479.54 km) |
| Port Wentworth to Odivelas | 3,972.39 mi (6,392.95 km) |
| Port Wentworth to Oeiras | 3,967.55 mi (6,385.15 km) |
| Port Wentworth to Olhao | 4,079.78 mi (6,565.77 km) |
| Port Wentworth to Oliveira de Azemeis | 3,966.98 mi (6,384.24 km) |
