| Port Wentworth to Mangualde | 4,007.47 mi (6,449.40 km) |
| Port Wentworth to Marco de Canavezes | 3,976.52 mi (6,399.59 km) |
| Port Wentworth to Marinha Grande | 3,965.46 mi (6,381.79 km) |
| Port Wentworth to Massama | 3,968.19 mi (6,386.19 km) |
| Port Wentworth to Matosinhos | 3,949.07 mi (6,355.41 km) |
| Port Wentworth to Mealhada | 3,977.26 mi (6,400.77 km) |
| Port Wentworth to Melgaco | 3,952.85 mi (6,361.49 km) |
| Port Wentworth to Melres | 3,966.31 mi (6,383.16 km) |
| Port Wentworth to Mira | 3,961.99 mi (6,376.20 km) |
| Port Wentworth to Miranda do Corvo | 3,988.83 mi (6,419.39 km) |
| Port Wentworth to Mirandela | 4,018.71 mi (6,467.49 km) |
| Port Wentworth to Mogadouro | 4,044.82 mi (6,509.51 km) |
| Port Wentworth to Moimenta da Beira | 4,007.31 mi (6,449.15 km) |
| Port Wentworth to Moita | 3,985.40 mi (6,413.88 km) |
| Port Wentworth to Moncao | 3,943.13 mi (6,345.86 km) |
