| Duchcov to Mauldin (South Carolina) | 4,650.01 mi (7,483.47 km) |
| Duchcov to Maumee (Ohio) | 4,363.84 mi (7,022.92 km) |
| Duchcov to Maumelle (Arkansas) | 5,025.58 mi (8,087.90 km) |
| Duchcov to Mayagüez (Puerto Rico) | 4,858.20 mi (7,818.52 km) |
| Duchcov to Mayfield Heights (Ohio) | 4,285.16 mi (6,896.30 km) |
| Duchcov to Mays Chapel (Maryland) | 4,202.70 mi (6,763.59 km) |
| Duchcov to Maywood (California) | 5,900.05 mi (9,495.22 km) |
| Duchcov to Maywood (Illinois) | 4,498.39 mi (7,239.46 km) |
| Duchcov to McAlester (Oklahoma) | 5,142.05 mi (8,275.33 km) |
| Duchcov to McAllen (Texas) | 5,709.19 mi (9,188.06 km) |
| Duchcov to McCalla (Alabama) | 4,907.53 mi (7,897.90 km) |
| Duchcov to McComb (Mississippi) | 5,146.16 mi (8,281.94 km) |
| Duchcov to McDonough (Georgia) | 4,789.83 mi (7,708.49 km) |
| Duchcov to McFarland (California) | 5,825.11 mi (9,374.62 km) |
| Duchcov to McHenry (Illinois) | 4,491.07 mi (7,227.67 km) |
