| Plum to McHenry (Illinois) | 460.25 mi (740.70 km) |
| Plum to McKeesport (Pennsylvania) | 12.16 mi (19.57 km) |
| Plum to McKinleyville (California) | 2,296.27 mi (3,695.50 km) |
| Plum to McKinney (Texas) | 1,060.10 mi (1,706.07 km) |
| Plum to McLean (Virginia) | 173.30 mi (278.90 km) |
| Plum to McMinnville (Oregon) | 2,197.24 mi (3,536.11 km) |
| Plum to McMinnville (Tennessee) | 466.99 mi (751.54 km) |
| Plum to McNair (Virginia) | 164.07 mi (264.04 km) |
| Plum to McPherson (Kansas) | 965.32 mi (1,553.54 km) |
| Plum to Mead Valley (California) | 2,100.76 mi (3,380.85 km) |
| Plum to Meadow Woods (Florida) | 843.16 mi (1,356.94 km) |
| Plum to Meadowbrook (Virginia) | 244.93 mi (394.18 km) |
| Plum to Meadville (Pennsylvania) | 81.79 mi (131.62 km) |
| Plum to Mebane (North Carolina) | 306.29 mi (492.92 km) |
| Plum to Mechanicsville (Virginia) | 236.57 mi (380.72 km) |
