| Sanlucar de Barrameda to Mauldin (South Carolina) | 4,140.36 mi (6,663.27 km) |
| Sanlucar de Barrameda to Maumee (Ohio) | 4,012.72 mi (6,457.85 km) |
| Sanlucar de Barrameda to Maumelle (Arkansas) | 4,643.83 mi (7,473.53 km) |
| Sanlucar de Barrameda to Mayagüez (Puerto Rico) | 3,873.32 mi (6,233.51 km) |
| Sanlucar de Barrameda to Mayfield Heights (Ohio) | 3,908.46 mi (6,290.05 km) |
| Sanlucar de Barrameda to Mays Chapel (Maryland) | 3,726.32 mi (5,996.93 km) |
| Sanlucar de Barrameda to Maywood (California) | 5,871.41 mi (9,449.13 km) |
| Sanlucar de Barrameda to Maywood (Illinois) | 4,201.15 mi (6,761.10 km) |
| Sanlucar de Barrameda to McAlester (Oklahoma) | 4,805.85 mi (7,734.27 km) |
| Sanlucar de Barrameda to McAllen (Texas) | 5,256.00 mi (8,458.71 km) |
| Sanlucar de Barrameda to McCalla (Alabama) | 4,427.70 mi (7,125.70 km) |
| Sanlucar de Barrameda to McComb (Mississippi) | 4,672.68 mi (7,519.95 km) |
| Sanlucar de Barrameda to McDonough (Georgia) | 4,276.48 mi (6,882.33 km) |
| Sanlucar de Barrameda to McFarland (California) | 5,837.86 mi (9,395.13 km) |
| Sanlucar de Barrameda to McHenry (Illinois) | 4,208.73 mi (6,773.29 km) |
