| Arcos de Valdevez to Mauldin (South Carolina) | 3,911.04 mi (6,294.21 km) |
| Arcos de Valdevez to Maumee (Ohio) | 3,746.54 mi (6,029.48 km) |
| Arcos de Valdevez to Maumelle (Arkansas) | 4,391.20 mi (7,066.95 km) |
| Arcos de Valdevez to Mayagüez (Puerto Rico) | 3,789.40 mi (6,098.44 km) |
| Arcos de Valdevez to Mayfield Heights (Ohio) | 3,646.29 mi (5,868.14 km) |
| Arcos de Valdevez to Mays Chapel (Maryland) | 3,483.84 mi (5,606.70 km) |
| Arcos de Valdevez to Maywood (California) | 5,566.04 mi (8,957.68 km) |
| Arcos de Valdevez to Maywood (Illinois) | 3,926.46 mi (6,319.03 km) |
| Arcos de Valdevez to McAlester (Oklahoma) | 4,545.41 mi (7,315.13 km) |
| Arcos de Valdevez to McAllen (Texas) | 5,025.40 mi (8,087.59 km) |
| Arcos de Valdevez to McCalla (Alabama) | 4,194.62 mi (6,750.58 km) |
| Arcos de Valdevez to McComb (Mississippi) | 4,440.79 mi (7,146.76 km) |
| Arcos de Valdevez to McDonough (Georgia) | 4,049.65 mi (6,517.29 km) |
| Arcos de Valdevez to McFarland (California) | 5,526.06 mi (8,893.33 km) |
| Arcos de Valdevez to McHenry (Illinois) | 3,931.26 mi (6,326.75 km) |
