| Clemmons to Mauldin (South Carolina) | 138.24 mi (222.48 km) |
| Clemmons to Maumee (Ohio) | 421.27 mi (677.97 km) |
| Clemmons to Maumelle (Arkansas) | 680.72 mi (1,095.51 km) |
| Clemmons to Mayagüez (Puerto Rico) | 1,473.54 mi (2,371.44 km) |
| Clemmons to Mayfield Heights (Ohio) | 383.34 mi (616.92 km) |
| Clemmons to Mays Chapel (Maryland) | 311.24 mi (500.89 km) |
| Clemmons to Maywood (California) | 2,130.49 mi (3,428.70 km) |
| Clemmons to Maywood (Illinois) | 568.62 mi (915.10 km) |
| Clemmons to McAlester (Oklahoma) | 868.22 mi (1,397.26 km) |
| Clemmons to McAllen (Texas) | 1,251.74 mi (2,014.48 km) |
| Clemmons to McCalla (Alabama) | 421.91 mi (679.00 km) |
| Clemmons to McComb (Mississippi) | 667.30 mi (1,073.91 km) |
| Clemmons to McDonough (Georgia) | 278.82 mi (448.72 km) |
| Clemmons to McFarland (California) | 2,161.31 mi (3,478.30 km) |
| Clemmons to McHenry (Illinois) | 607.08 mi (977.00 km) |
