| Valongo to Mauldin (South Carolina) | 3,922.19 mi (6,312.16 km) |
| Valongo to Maumee (Ohio) | 3,763.69 mi (6,057.08 km) |
| Valongo to Maumelle (Arkansas) | 4,406.32 mi (7,091.29 km) |
| Valongo to Mayagüez (Puerto Rico) | 3,779.97 mi (6,083.27 km) |
| Valongo to Mayfield Heights (Ohio) | 3,662.71 mi (5,894.57 km) |
| Valongo to Mays Chapel (Maryland) | 3,496.89 mi (5,627.71 km) |
| Valongo to Maywood (California) | 5,590.79 mi (8,997.50 km) |
| Valongo to Maywood (Illinois) | 3,945.16 mi (6,349.12 km) |
| Valongo to McAlester (Oklahoma) | 4,561.89 mi (7,341.65 km) |
| Valongo to McAllen (Texas) | 5,037.22 mi (8,106.63 km) |
| Valongo to McCalla (Alabama) | 4,206.50 mi (6,769.71 km) |
| Valongo to McComb (Mississippi) | 4,452.59 mi (7,165.75 km) |
| Valongo to McDonough (Georgia) | 4,060.48 mi (6,534.71 km) |
| Valongo to McFarland (California) | 5,552.04 mi (8,935.14 km) |
| Valongo to McHenry (Illinois) | 3,950.45 mi (6,357.64 km) |
