| Mercerville to Mattoon (Illinois) | 726.25 mi (1,168.79 km) |
| Mercerville to Mauldin (South Carolina) | 561.76 mi (904.07 km) |
| Mercerville to Maumee (Ohio) | 477.27 mi (768.09 km) |
| Mercerville to Maumelle (Arkansas) | 1,036.71 mi (1,668.43 km) |
| Mercerville to Mayagüez (Puerto Rico) | 1,587.57 mi (2,554.95 km) |
| Mercerville to Mayfield Heights (Ohio) | 364.07 mi (585.91 km) |
| Mercerville to Mays Chapel (Maryland) | 117.81 mi (189.60 km) |
| Mercerville to Maywood (California) | 2,410.58 mi (3,879.46 km) |
| Mercerville to Maywood (Illinois) | 693.87 mi (1,116.68 km) |
| Mercerville to McAlester (Oklahoma) | 1,207.83 mi (1,943.82 km) |
| Mercerville to McAllen (Texas) | 1,661.70 mi (2,674.25 km) |
| Mercerville to McCalla (Alabama) | 832.88 mi (1,340.40 km) |
| Mercerville to McComb (Mississippi) | 1,078.57 mi (1,735.80 km) |
| Mercerville to McDonough (Georgia) | 702.14 mi (1,129.99 km) |
| Mercerville to McFarland (California) | 2,421.76 mi (3,897.44 km) |
