| Carson to Mangualde | 5,655.91 mi (9,102.30 km) |
| Carson to Marco de Canavezes | 5,615.25 mi (9,036.88 km) |
| Carson to Marinha Grande | 5,643.33 mi (9,082.06 km) |
| Carson to Massama | 5,670.69 mi (9,126.09 km) |
| Carson to Matosinhos | 5,592.63 mi (9,000.48 km) |
| Carson to Mealhada | 5,636.78 mi (9,071.52 km) |
| Carson to Melgaco | 5,570.96 mi (8,965.60 km) |
| Carson to Melres | 5,609.92 mi (9,028.29 km) |
| Carson to Mira | 5,622.88 mi (9,049.15 km) |
| Carson to Miranda do Corvo | 5,653.65 mi (9,098.68 km) |
| Carson to Mirandela | 5,641.86 mi (9,079.69 km) |
| Carson to Mogadouro | 5,667.25 mi (9,120.55 km) |
| Carson to Moimenta da Beira | 5,645.92 mi (9,086.23 km) |
| Carson to Moita | 5,687.64 mi (9,153.38 km) |
| Carson to Moncao | 5,564.14 mi (8,954.61 km) |
