| Piedmont to Melzo | 5,943.24 mi (9,564.71 km) |
| Piedmont to Mendicino | 6,493.47 mi (10,450.24 km) |
| Piedmont to Menfi | 6,494.96 mi (10,452.63 km) |
| Piedmont to Mentana | 6,232.86 mi (10,030.82 km) |
| Piedmont to Merano | 5,926.37 mi (9,537.57 km) |
| Piedmont to Merate | 5,932.57 mi (9,547.55 km) |
| Piedmont to Mercato San Severino | 6,364.33 mi (10,242.40 km) |
| Piedmont to Mercogliano | 6,355.52 mi (10,228.22 km) |
| Piedmont to Mesagne | 6,460.34 mi (10,396.92 km) |
| Piedmont to Messina | 6,537.91 mi (10,521.75 km) |
| Piedmont to Mestre | 6,022.77 mi (9,692.71 km) |
| Piedmont to Mestrino | 6,012.13 mi (9,675.59 km) |
| Piedmont to Milan | 5,938.57 mi (9,557.20 km) |
| Piedmont to Milazzo | 6,527.35 mi (10,504.75 km) |
| Piedmont to Minerbio | 6,051.17 mi (9,738.41 km) |
