| Port Orchard to Mangualde | 5,160.44 mi (8,304.92 km) |
| Port Orchard to Marco de Canavezes | 5,116.66 mi (8,234.46 km) |
| Port Orchard to Marinha Grande | 5,166.41 mi (8,314.53 km) |
| Port Orchard to Massama | 5,207.39 mi (8,380.48 km) |
| Port Orchard to Matosinhos | 5,098.33 mi (8,204.96 km) |
| Port Orchard to Mealhada | 5,149.14 mi (8,286.74 km) |
| Port Orchard to Melgaco | 5,063.28 mi (8,148.56 km) |
| Port Orchard to Melres | 5,114.52 mi (8,231.03 km) |
| Port Orchard to Mira | 5,136.94 mi (8,267.11 km) |
| Port Orchard to Miranda do Corvo | 5,168.13 mi (8,317.31 km) |
| Port Orchard to Mirandela | 5,132.52 mi (8,260.00 km) |
| Port Orchard to Mogadouro | 5,155.88 mi (8,297.59 km) |
| Port Orchard to Moimenta da Beira | 5,145.30 mi (8,280.56 km) |
| Port Orchard to Moita | 5,223.11 mi (8,405.79 km) |
| Port Orchard to Moncao | 5,058.55 mi (8,140.94 km) |
