| Morfelden-Walldorf to McKeesport (Pennsylvania) | 4,102.76 mi (6,602.75 km) |
| Morfelden-Walldorf to McKinleyville (California) | 5,530.05 mi (8,899.76 km) |
| Morfelden-Walldorf to McKinney (Texas) | 5,103.17 mi (8,212.75 km) |
| Morfelden-Walldorf to McLean (Virginia) | 4,061.37 mi (6,536.15 km) |
| Morfelden-Walldorf to McMinnville (Oregon) | 5,250.86 mi (8,450.44 km) |
| Morfelden-Walldorf to McMinnville (Tennessee) | 4,558.41 mi (7,336.06 km) |
| Morfelden-Walldorf to McNair (Virginia) | 4,069.77 mi (6,549.65 km) |
| Morfelden-Walldorf to McPherson (Kansas) | 4,867.91 mi (7,834.15 km) |
| Morfelden-Walldorf to Mead Valley (California) | 5,767.44 mi (9,281.80 km) |
| Morfelden-Walldorf to Meadow Woods (Florida) | 4,740.62 mi (7,629.28 km) |
| Morfelden-Walldorf to Meadowbrook (Virginia) | 4,142.43 mi (6,666.59 km) |
| Morfelden-Walldorf to Meadville (Pennsylvania) | 4,054.86 mi (6,525.66 km) |
| Morfelden-Walldorf to Mebane (North Carolina) | 4,278.65 mi (6,885.82 km) |
| Morfelden-Walldorf to Mechanicsville (Virginia) | 4,128.54 mi (6,644.25 km) |
| Morfelden-Walldorf to Medford (Massachusetts) | 3,662.60 mi (5,894.39 km) |
