| Arcos de Valdevez to McKeesport (Pennsylvania) | 3,607.53 mi (5,805.76 km) |
| Arcos de Valdevez to McKinleyville (California) | 5,447.38 mi (8,766.70 km) |
| Arcos de Valdevez to McKinney (Texas) | 4,656.56 mi (7,494.00 km) |
| Arcos de Valdevez to McLean (Virginia) | 3,524.96 mi (5,672.87 km) |
| Arcos de Valdevez to McMinnville (Oregon) | 5,203.48 mi (8,374.20 km) |
| Arcos de Valdevez to McMinnville (Tennessee) | 4,046.36 mi (6,511.98 km) |
| Arcos de Valdevez to McNair (Virginia) | 3,535.14 mi (5,689.26 km) |
| Arcos de Valdevez to McPherson (Kansas) | 4,494.36 mi (7,232.98 km) |
| Arcos de Valdevez to Mead Valley (California) | 5,536.66 mi (8,910.39 km) |
| Arcos de Valdevez to Meadow Woods (Florida) | 4,102.37 mi (6,602.13 km) |
| Arcos de Valdevez to Meadowbrook (Virginia) | 3,586.41 mi (5,771.77 km) |
| Arcos de Valdevez to Meadville (Pennsylvania) | 3,581.73 mi (5,764.24 km) |
| Arcos de Valdevez to Mebane (North Carolina) | 3,718.35 mi (5,984.11 km) |
| Arcos de Valdevez to Mechanicsville (Virginia) | 3,574.38 mi (5,752.40 km) |
| Arcos de Valdevez to Medford (Massachusetts) | 3,135.74 mi (5,046.48 km) |
