| Crystal to Mauldin (South Carolina) | 917.71 mi (1,476.92 km) |
| Crystal to Maumee (Ohio) | 542.75 mi (873.48 km) |
| Crystal to Maumelle (Arkansas) | 705.57 mi (1,135.50 km) |
| Crystal to Mayagüez (Puerto Rico) | 2,390.06 mi (3,846.43 km) |
| Crystal to Mayfield Heights (Ohio) | 645.64 mi (1,039.06 km) |
| Crystal to Mays Chapel (Maryland) | 935.99 mi (1,506.32 km) |
| Crystal to Maywood (California) | 1,518.72 mi (2,444.15 km) |
| Crystal to Maywood (Illinois) | 352.18 mi (566.78 km) |
| Crystal to McAlester (Oklahoma) | 710.17 mi (1,142.90 km) |
| Crystal to McAllen (Texas) | 1,327.82 mi (2,136.91 km) |
| Crystal to McCalla (Alabama) | 878.16 mi (1,413.26 km) |
| Crystal to McComb (Mississippi) | 965.70 mi (1,554.14 km) |
| Crystal to McDonough (Georgia) | 939.32 mi (1,511.70 km) |
| Crystal to McFarland (California) | 1,499.53 mi (2,413.26 km) |
| Crystal to McHenry (Illinois) | 314.31 mi (505.84 km) |
