| Clemmons to McKeesport (Pennsylvania) | 299.23 mi (481.57 km) |
| Clemmons to McKinleyville (California) | 2,362.77 mi (3,802.52 km) |
| Clemmons to McKinney (Texas) | 944.98 mi (1,520.79 km) |
| Clemmons to McLean (Virginia) | 266.59 mi (429.04 km) |
| Clemmons to McMinnville (Oregon) | 2,303.34 mi (3,706.86 km) |
| Clemmons to McMinnville (Tennessee) | 303.01 mi (487.65 km) |
| Clemmons to McNair (Virginia) | 259.35 mi (417.38 km) |
| Clemmons to McPherson (Kansas) | 962.84 mi (1,549.53 km) |
| Clemmons to Mead Valley (California) | 2,083.20 mi (3,352.58 km) |
| Clemmons to Meadow Woods (Florida) | 532.36 mi (856.75 km) |
| Clemmons to Meadowbrook (Virginia) | 187.97 mi (302.50 km) |
| Clemmons to Meadville (Pennsylvania) | 388.22 mi (624.78 km) |
| Clemmons to Mebane (North Carolina) | 62.25 mi (100.18 km) |
| Clemmons to Mechanicsville (Virginia) | 200.52 mi (322.71 km) |
| Clemmons to Medford (Massachusetts) | 663.77 mi (1,068.24 km) |
