| Plum to Marrero (Louisiana) | 936.78 mi (1,507.61 km) |
| Plum to Marshall (Minnesota) | 860.00 mi (1,384.04 km) |
| Plum to Marshall (Missouri) | 719.65 mi (1,158.16 km) |
| Plum to Marshall (Texas) | 977.87 mi (1,573.73 km) |
| Plum to Marshalltown (Iowa) | 690.73 mi (1,111.62 km) |
| Plum to Marshfield (Wisconsin) | 602.51 mi (969.65 km) |
| Plum to Martha Lake (Washington) | 2,136.80 mi (3,438.85 km) |
| Plum to Martin (Tennessee) | 570.11 mi (917.50 km) |
| Plum to Martinez (California) | 2,251.63 mi (3,623.64 km) |
| Plum to Martinez (Georgia) | 499.42 mi (803.75 km) |
| Plum to Martinsburg (West Virginia) | 118.34 mi (190.45 km) |
| Plum to Martinsville (Indiana) | 361.68 mi (582.07 km) |
| Plum to Martinsville (New Jersey) | 271.69 mi (437.25 km) |
| Plum to Martinsville (Virginia) | 263.99 mi (424.86 km) |
| Plum to Maryland City (Maryland) | 183.82 mi (295.83 km) |
