| Silves to McKeesport (Pennsylvania) | 3,745.17 mi (6,027.27 km) |
| Silves to McKinleyville (California) | 5,679.58 mi (9,140.40 km) |
| Silves to McKinney (Texas) | 4,796.17 mi (7,718.69 km) |
| Silves to McLean (Virginia) | 3,648.97 mi (5,872.45 km) |
| Silves to McMinnville (Oregon) | 5,445.66 mi (8,763.95 km) |
| Silves to McMinnville (Tennessee) | 4,171.26 mi (6,712.99 km) |
| Silves to McNair (Virginia) | 3,659.65 mi (5,889.64 km) |
| Silves to McPherson (Kansas) | 4,659.52 mi (7,498.78 km) |
| Silves to Mead Valley (California) | 5,731.20 mi (9,223.48 km) |
| Silves to Meadow Woods (Florida) | 4,176.51 mi (6,721.44 km) |
| Silves to Meadowbrook (Virginia) | 3,701.95 mi (5,957.72 km) |
| Silves to Meadville (Pennsylvania) | 3,727.50 mi (5,998.83 km) |
| Silves to Mebane (North Carolina) | 3,830.11 mi (6,163.96 km) |
| Silves to Mechanicsville (Virginia) | 3,690.83 mi (5,939.82 km) |
| Silves to Medford (Massachusetts) | 3,270.36 mi (5,263.14 km) |
