| Horw to McKeesport (Pennsylvania) | 4,190.04 mi (6,743.22 km) |
| Horw to McKinleyville (California) | 5,693.51 mi (9,162.82 km) |
| Horw to McKinney (Texas) | 5,205.45 mi (8,377.36 km) |
| Horw to McLean (Virginia) | 4,139.54 mi (6,661.95 km) |
| Horw to McMinnville (Oregon) | 5,417.77 mi (8,719.06 km) |
| Horw to McMinnville (Tennessee) | 4,644.52 mi (7,474.63 km) |
| Horw to McNair (Virginia) | 4,148.38 mi (6,676.17 km) |
| Horw to McPherson (Kansas) | 4,983.17 mi (8,019.63 km) |
| Horw to Mead Valley (California) | 5,910.80 mi (9,512.51 km) |
| Horw to Meadow Woods (Florida) | 4,798.09 mi (7,721.78 km) |
| Horw to Meadowbrook (Virginia) | 4,216.67 mi (6,786.08 km) |
| Horw to Meadville (Pennsylvania) | 4,146.46 mi (6,673.08 km) |
| Horw to Mebane (North Carolina) | 4,352.65 mi (7,004.92 km) |
| Horw to Mechanicsville (Virginia) | 4,203.13 mi (6,764.28 km) |
| Horw to Medford (Massachusetts) | 3,740.41 mi (6,019.61 km) |
