| San Pietro in Casale to McKeesport (Pennsylvania) | 4,399.01 mi (7,079.52 km) |
| San Pietro in Casale to McKinleyville (California) | 5,908.63 mi (9,509.02 km) |
| San Pietro in Casale to McKinney (Texas) | 5,418.37 mi (8,720.03 km) |
| San Pietro in Casale to McLean (Virginia) | 4,345.35 mi (6,993.16 km) |
| San Pietro in Casale to McMinnville (Oregon) | 5,631.76 mi (9,063.44 km) |
| San Pietro in Casale to McMinnville (Tennessee) | 4,852.81 mi (7,809.84 km) |
| San Pietro in Casale to McNair (Virginia) | 4,354.34 mi (7,007.63 km) |
| San Pietro in Casale to McPherson (Kansas) | 5,199.07 mi (8,367.09 km) |
| San Pietro in Casale to Mead Valley (California) | 6,128.96 mi (9,863.61 km) |
| San Pietro in Casale to Meadow Woods (Florida) | 4,994.53 mi (8,037.91 km) |
| San Pietro in Casale to Meadowbrook (Virginia) | 4,420.92 mi (7,114.78 km) |
| San Pietro in Casale to Meadville (Pennsylvania) | 4,356.83 mi (7,011.63 km) |
| San Pietro in Casale to Mebane (North Carolina) | 4,556.69 mi (7,333.28 km) |
| San Pietro in Casale to Mechanicsville (Virginia) | 4,407.52 mi (7,093.22 km) |
| San Pietro in Casale to Medford (Massachusetts) | 3,946.42 mi (6,351.16 km) |
