| Gig Harbor to Mangualde | 5,167.04 mi (8,315.55 km) |
| Gig Harbor to Marco de Canavezes | 5,123.29 mi (8,245.14 km) |
| Gig Harbor to Marinha Grande | 5,172.76 mi (8,324.76 km) |
| Gig Harbor to Massama | 5,213.57 mi (8,390.43 km) |
| Gig Harbor to Matosinhos | 5,104.90 mi (8,215.54 km) |
| Gig Harbor to Mealhada | 5,155.63 mi (8,297.19 km) |
| Gig Harbor to Melgaco | 5,070.02 mi (8,159.41 km) |
| Gig Harbor to Melres | 5,121.11 mi (8,241.64 km) |
| Gig Harbor to Mira | 5,143.41 mi (8,277.52 km) |
| Gig Harbor to Miranda do Corvo | 5,174.61 mi (8,327.72 km) |
| Gig Harbor to Mirandela | 5,139.30 mi (8,270.91 km) |
| Gig Harbor to Mogadouro | 5,162.70 mi (8,308.56 km) |
| Gig Harbor to Moimenta da Beira | 5,151.97 mi (8,291.29 km) |
| Gig Harbor to Moita | 5,229.32 mi (8,415.78 km) |
| Gig Harbor to Moncao | 5,065.26 mi (8,151.74 km) |
