| Darby to Mauldin (South Carolina) | 524.72 mi (844.45 km) |
| Darby to Maumee (Ohio) | 454.15 mi (730.88 km) |
| Darby to Maumelle (Arkansas) | 1,001.96 mi (1,612.50 km) |
| Darby to Mayagüez (Puerto Rico) | 1,577.07 mi (2,538.05 km) |
| Darby to Mayfield Heights (Ohio) | 342.43 mi (551.08 km) |
| Darby to Mays Chapel (Maryland) | 81.23 mi (130.73 km) |
| Darby to Maywood (California) | 2,382.04 mi (3,833.52 km) |
| Darby to Maywood (Illinois) | 670.28 mi (1,078.71 km) |
| Darby to McAlester (Oklahoma) | 1,174.20 mi (1,889.69 km) |
| Darby to McAllen (Texas) | 1,624.86 mi (2,614.97 km) |
| Darby to McCalla (Alabama) | 795.86 mi (1,280.81 km) |
| Darby to McComb (Mississippi) | 1,041.61 mi (1,676.30 km) |
| Darby to McDonough (Georgia) | 665.06 mi (1,070.32 km) |
| Darby to McFarland (California) | 2,394.63 mi (3,853.79 km) |
| Darby to McHenry (Illinois) | 697.72 mi (1,122.87 km) |
