| Garden Grove to Mangualde | 5,646.51 mi (9,087.18 km) |
| Garden Grove to Marco de Canavezes | 5,605.93 mi (9,021.87 km) |
| Garden Grove to Marinha Grande | 5,633.62 mi (9,066.43 km) |
| Garden Grove to Massama | 5,660.74 mi (9,110.08 km) |
| Garden Grove to Matosinhos | 5,583.24 mi (8,985.36 km) |
| Garden Grove to Mealhada | 5,627.26 mi (9,056.19 km) |
| Garden Grove to Melgaco | 5,561.82 mi (8,950.88 km) |
| Garden Grove to Melres | 5,600.54 mi (9,013.20 km) |
| Garden Grove to Mira | 5,613.33 mi (9,033.78 km) |
| Garden Grove to Miranda do Corvo | 5,644.09 mi (9,083.28 km) |
| Garden Grove to Mirandela | 5,632.71 mi (9,064.98 km) |
| Garden Grove to Mogadouro | 5,658.13 mi (9,105.87 km) |
| Garden Grove to Moimenta da Beira | 5,636.62 mi (9,071.26 km) |
| Garden Grove to Moita | 5,677.71 mi (9,137.38 km) |
| Garden Grove to Moncao | 5,554.96 mi (8,939.84 km) |
