| Clay to Melzo | 4,868.27 mi (7,834.72 km) |
| Clay to Mendicino | 5,387.51 mi (8,670.36 km) |
| Clay to Menfi | 5,304.19 mi (8,536.27 km) |
| Clay to Mentana | 5,128.37 mi (8,253.32 km) |
| Clay to Merano | 4,902.24 mi (7,889.40 km) |
| Clay to Merate | 4,862.36 mi (7,825.22 km) |
| Clay to Mercato San Severino | 5,266.60 mi (8,475.77 km) |
| Clay to Mercogliano | 5,260.31 mi (8,465.64 km) |
| Clay to Mesagne | 5,407.08 mi (8,701.85 km) |
| Clay to Messina | 5,400.03 mi (8,690.50 km) |
| Clay to Mestre | 4,987.58 mi (8,026.74 km) |
| Clay to Mestrino | 4,969.24 mi (7,997.22 km) |
| Clay to Milan | 4,859.71 mi (7,820.95 km) |
| Clay to Milazzo | 5,384.80 mi (8,666.01 km) |
| Clay to Minerbio | 4,985.57 mi (8,023.50 km) |
