| Morfelden-Walldorf to Mauldin (South Carolina) | 4,463.90 mi (7,183.95 km) |
| Morfelden-Walldorf to Maumee (Ohio) | 4,193.71 mi (6,749.12 km) |
| Morfelden-Walldorf to Maumelle (Arkansas) | 4,856.54 mi (7,815.85 km) |
| Morfelden-Walldorf to Mayagüez (Puerto Rico) | 4,633.02 mi (7,456.13 km) |
| Morfelden-Walldorf to Mayfield Heights (Ohio) | 4,111.40 mi (6,616.66 km) |
| Morfelden-Walldorf to Mays Chapel (Maryland) | 4,017.17 mi (6,465.01 km) |
| Morfelden-Walldorf to Maywood (California) | 5,785.25 mi (9,310.46 km) |
| Morfelden-Walldorf to Maywood (Illinois) | 4,335.88 mi (6,977.92 km) |
| Morfelden-Walldorf to McAlester (Oklahoma) | 4,979.40 mi (8,013.57 km) |
| Morfelden-Walldorf to McAllen (Texas) | 5,535.84 mi (8,909.07 km) |
| Morfelden-Walldorf to McCalla (Alabama) | 4,726.30 mi (7,606.24 km) |
| Morfelden-Walldorf to McComb (Mississippi) | 4,967.10 mi (7,993.77 km) |
| Morfelden-Walldorf to McDonough (Georgia) | 4,604.18 mi (7,409.71 km) |
| Morfelden-Walldorf to McFarland (California) | 5,715.95 mi (9,198.93 km) |
| Morfelden-Walldorf to McHenry (Illinois) | 4,330.35 mi (6,969.03 km) |
