| Heswall to McKeesport (Pennsylvania) | 3,552.87 mi (5,717.80 km) |
| Heswall to McKinleyville (California) | 5,039.45 mi (8,110.21 km) |
| Heswall to McKinney (Texas) | 4,554.24 mi (7,329.34 km) |
| Heswall to McLean (Virginia) | 3,512.97 mi (5,653.58 km) |
| Heswall to McMinnville (Oregon) | 4,767.86 mi (7,673.14 km) |
| Heswall to McMinnville (Tennessee) | 4,008.57 mi (6,451.17 km) |
| Heswall to McNair (Virginia) | 3,521.25 mi (5,666.91 km) |
| Heswall to McPherson (Kansas) | 4,323.23 mi (6,957.57 km) |
| Heswall to Mead Valley (California) | 5,245.38 mi (8,441.63 km) |
| Heswall to Meadow Woods (Florida) | 4,199.57 mi (6,758.56 km) |
| Heswall to Meadowbrook (Virginia) | 3,595.03 mi (5,785.64 km) |
| Heswall to Meadville (Pennsylvania) | 3,504.77 mi (5,640.39 km) |
| Heswall to Mebane (North Carolina) | 3,731.24 mi (6,004.85 km) |
| Heswall to Mechanicsville (Virginia) | 3,581.05 mi (5,763.14 km) |
| Heswall to Medford (Massachusetts) | 3,114.50 mi (5,012.30 km) |
