| Valley Center to Mangualde | 5,633.29 mi (9,065.90 km) |
| Valley Center to Marco de Canavezes | 5,593.03 mi (9,001.11 km) |
| Valley Center to Marinha Grande | 5,619.00 mi (9,042.90 km) |
| Valley Center to Massama | 5,645.03 mi (9,084.80 km) |
| Valley Center to Matosinhos | 5,570.06 mi (8,964.14 km) |
| Valley Center to Mealhada | 5,613.47 mi (9,034.00 km) |
| Valley Center to Melgaco | 5,549.71 mi (8,931.40 km) |
| Valley Center to Melres | 5,587.40 mi (8,992.05 km) |
| Valley Center to Mira | 5,599.44 mi (9,011.43 km) |
| Valley Center to Miranda do Corvo | 5,630.10 mi (9,060.77 km) |
| Valley Center to Mirandela | 5,620.59 mi (9,045.47 km) |
| Valley Center to Mogadouro | 5,646.11 mi (9,086.54 km) |
| Valley Center to Moimenta da Beira | 5,623.81 mi (9,050.65 km) |
| Valley Center to Moita | 5,662.06 mi (9,112.21 km) |
| Valley Center to Moncao | 5,542.70 mi (8,920.11 km) |
