| Tamalpais-Homestead Valley to Mangualde | 5,628.47 mi (9,058.15 km) |
| Tamalpais-Homestead Valley to Marco de Canavezes | 5,586.22 mi (8,990.15 km) |
| Tamalpais-Homestead Valley to Marinha Grande | 5,623.87 mi (9,050.75 km) |
| Tamalpais-Homestead Valley to Massama | 5,657.25 mi (9,104.47 km) |
| Tamalpais-Homestead Valley to Matosinhos | 5,565.34 mi (8,956.55 km) |
| Tamalpais-Homestead Valley to Mealhada | 5,612.64 mi (9,032.68 km) |
| Tamalpais-Homestead Valley to Melgaco | 5,537.70 mi (8,912.06 km) |
| Tamalpais-Homestead Valley to Melres | 5,582.25 mi (8,983.77 km) |
| Tamalpais-Homestead Valley to Mira | 5,599.40 mi (9,011.37 km) |
| Tamalpais-Homestead Valley to Miranda do Corvo | 5,630.54 mi (9,061.47 km) |
| Tamalpais-Homestead Valley to Mirandela | 5,608.27 mi (9,025.64 km) |
| Tamalpais-Homestead Valley to Mogadouro | 5,632.91 mi (9,065.29 km) |
| Tamalpais-Homestead Valley to Moimenta da Beira | 5,616.18 mi (9,038.37 km) |
| Tamalpais-Homestead Valley to Moita | 5,673.78 mi (9,131.07 km) |
| Tamalpais-Homestead Valley to Moncao | 5,531.75 mi (8,902.49 km) |
