| Horsforth to McKeesport (Pennsylvania) | 3,598.20 mi (5,790.75 km) |
| Horsforth to McKinleyville (California) | 5,053.51 mi (8,132.84 km) |
| Horsforth to McKinney (Texas) | 4,594.27 mi (7,393.76 km) |
| Horsforth to McLean (Virginia) | 3,561.05 mi (5,730.96 km) |
| Horsforth to McMinnville (Oregon) | 4,779.75 mi (7,692.26 km) |
| Horsforth to McMinnville (Tennessee) | 4,053.97 mi (6,524.23 km) |
| Horsforth to McNair (Virginia) | 3,569.20 mi (5,744.07 km) |
| Horsforth to McPherson (Kansas) | 4,358.77 mi (7,014.76 km) |
| Horsforth to Mead Valley (California) | 5,269.56 mi (8,480.53 km) |
| Horsforth to Meadow Woods (Florida) | 4,252.56 mi (6,843.84 km) |
| Horsforth to Meadowbrook (Virginia) | 3,644.16 mi (5,864.70 km) |
| Horsforth to Meadville (Pennsylvania) | 3,548.77 mi (5,711.20 km) |
| Horsforth to Mebane (North Carolina) | 3,780.33 mi (6,083.85 km) |
| Horsforth to Mechanicsville (Virginia) | 3,630.09 mi (5,842.07 km) |
| Horsforth to Medford (Massachusetts) | 3,163.03 mi (5,090.41 km) |
