| Cadillac to Mangualde | 3,815.43 mi (6,140.35 km) |
| Cadillac to Marco de Canavezes | 3,777.28 mi (6,078.94 km) |
| Cadillac to Marinha Grande | 3,793.67 mi (6,105.33 km) |
| Cadillac to Massama | 3,814.42 mi (6,138.71 km) |
| Cadillac to Matosinhos | 3,752.76 mi (6,039.48 km) |
| Cadillac to Mealhada | 3,792.55 mi (6,103.52 km) |
| Cadillac to Melgaco | 3,739.10 mi (6,017.51 km) |
| Cadillac to Melres | 3,770.29 mi (6,067.70 km) |
| Cadillac to Mira | 3,778.03 mi (6,080.15 km) |
| Cadillac to Miranda do Corvo | 3,808.04 mi (6,128.45 km) |
| Cadillac to Mirandela | 3,809.45 mi (6,130.72 km) |
| Cadillac to Mogadouro | 3,835.49 mi (6,172.63 km) |
| Cadillac to Moimenta da Beira | 3,808.46 mi (6,129.12 km) |
| Cadillac to Moita | 3,831.65 mi (6,166.44 km) |
| Cadillac to Moncao | 3,731.19 mi (6,004.78 km) |
