| Silver Spring to Mattoon (Illinois) | 607.41 mi (977.52 km) |
| Silver Spring to Mauldin (South Carolina) | 412.46 mi (663.79 km) |
| Silver Spring to Maumee (Ohio) | 392.32 mi (631.38 km) |
| Silver Spring to Maumelle (Arkansas) | 895.20 mi (1,440.68 km) |
| Silver Spring to Mayagüez (Puerto Rico) | 1,554.81 mi (2,502.22 km) |
| Silver Spring to Mayfield Heights (Ohio) | 291.16 mi (468.57 km) |
| Silver Spring to Mays Chapel (Maryland) | 35.77 mi (57.56 km) |
| Silver Spring to Maywood (California) | 2,293.01 mi (3,690.24 km) |
| Silver Spring to Maywood (Illinois) | 602.35 mi (969.39 km) |
| Silver Spring to McAlester (Oklahoma) | 1,070.72 mi (1,723.15 km) |
| Silver Spring to McAllen (Texas) | 1,512.01 mi (2,433.35 km) |
| Silver Spring to McCalla (Alabama) | 682.66 mi (1,098.63 km) |
| Silver Spring to McComb (Mississippi) | 928.50 mi (1,494.27 km) |
| Silver Spring to McDonough (Georgia) | 552.53 mi (889.21 km) |
| Silver Spring to McFarland (California) | 2,309.89 mi (3,717.40 km) |
