| Piera to Mauldin (South Carolina) | 4,406.51 mi (7,091.60 km) |
| Piera to Maumee (Ohio) | 4,215.39 mi (6,784.01 km) |
| Piera to Maumelle (Arkansas) | 4,868.71 mi (7,835.43 km) |
| Piera to Mayagüez (Puerto Rico) | 4,311.74 mi (6,939.08 km) |
| Piera to Mayfield Heights (Ohio) | 4,119.23 mi (6,629.26 km) |
| Piera to Mays Chapel (Maryland) | 3,972.67 mi (6,393.39 km) |
| Piera to Maywood (California) | 5,977.62 mi (9,620.05 km) |
| Piera to Maywood (Illinois) | 4,386.12 mi (7,058.78 km) |
| Piera to McAlester (Oklahoma) | 5,015.68 mi (8,071.96 km) |
| Piera to McAllen (Texas) | 5,516.57 mi (8,878.06 km) |
| Piera to McCalla (Alabama) | 4,686.83 mi (7,542.72 km) |
| Piera to McComb (Mississippi) | 4,932.94 mi (7,938.80 km) |
| Piera to McDonough (Georgia) | 4,546.12 mi (7,316.28 km) |
| Piera to McFarland (California) | 5,927.24 mi (9,538.97 km) |
| Piera to McHenry (Illinois) | 4,388.01 mi (7,061.81 km) |
