| Cloverleaf to Mangualde | 4,789.80 mi (7,708.43 km) |
| Cloverleaf to Marco de Canavezes | 4,756.04 mi (7,654.11 km) |
| Cloverleaf to Marinha Grande | 4,754.41 mi (7,651.49 km) |
| Cloverleaf to Massama | 4,762.99 mi (7,665.29 km) |
| Cloverleaf to Matosinhos | 4,729.43 mi (7,611.29 km) |
| Cloverleaf to Mealhada | 4,761.92 mi (7,663.57 km) |
| Cloverleaf to Melgaco | 4,726.84 mi (7,607.12 km) |
| Cloverleaf to Melres | 4,746.91 mi (7,639.42 km) |
| Cloverleaf to Mira | 4,746.79 mi (7,639.23 km) |
| Cloverleaf to Miranda do Corvo | 4,774.92 mi (7,684.49 km) |
| Cloverleaf to Mirandela | 4,794.89 mi (7,716.63 km) |
| Cloverleaf to Mogadouro | 4,821.17 mi (7,758.92 km) |
| Cloverleaf to Moimenta da Beira | 4,787.21 mi (7,704.27 km) |
| Cloverleaf to Moita | 4,780.32 mi (7,693.19 km) |
| Cloverleaf to Moncao | 4,717.73 mi (7,592.46 km) |
