| Castagneto Carducci to Mauldin (South Carolina) | 4,760.85 mi (7,661.84 km) |
| Castagneto Carducci to Maumee (Ohio) | 4,531.38 mi (7,292.55 km) |
| Castagneto Carducci to Maumelle (Arkansas) | 5,192.29 mi (8,356.18 km) |
| Castagneto Carducci to Mayagüez (Puerto Rico) | 4,757.06 mi (7,655.75 km) |
| Castagneto Carducci to Mayfield Heights (Ohio) | 4,441.63 mi (7,148.12 km) |
| Castagneto Carducci to Mays Chapel (Maryland) | 4,319.16 mi (6,951.02 km) |
| Castagneto Carducci to Maywood (California) | 6,204.13 mi (9,984.58 km) |
| Castagneto Carducci to Maywood (Illinois) | 4,688.31 mi (7,545.10 km) |
| Castagneto Carducci to McAlester (Oklahoma) | 5,327.72 mi (8,574.14 km) |
| Castagneto Carducci to McAllen (Texas) | 5,857.83 mi (9,427.27 km) |
| Castagneto Carducci to McCalla (Alabama) | 5,034.25 mi (8,101.84 km) |
| Castagneto Carducci to McComb (Mississippi) | 5,278.92 mi (8,495.60 km) |
| Castagneto Carducci to McDonough (Georgia) | 4,901.36 mi (7,887.97 km) |
| Castagneto Carducci to McFarland (California) | 6,141.48 mi (9,883.76 km) |
| Castagneto Carducci to McHenry (Illinois) | 4,686.33 mi (7,541.92 km) |
