| Sanlucar la Mayor to Mauldin (South Carolina) | 4,131.46 mi (6,648.93 km) |
| Sanlucar la Mayor to Maumee (Ohio) | 3,998.19 mi (6,434.47 km) |
| Sanlucar la Mayor to Maumelle (Arkansas) | 4,631.65 mi (7,453.92 km) |
| Sanlucar la Mayor to Mayagüez (Puerto Rico) | 3,883.10 mi (6,249.25 km) |
| Sanlucar la Mayor to Mayfield Heights (Ohio) | 3,894.52 mi (6,267.62 km) |
| Sanlucar la Mayor to Mays Chapel (Maryland) | 3,715.28 mi (5,979.17 km) |
| Sanlucar la Mayor to Maywood (California) | 5,850.75 mi (9,415.87 km) |
| Sanlucar la Mayor to Maywood (Illinois) | 4,185.33 mi (6,735.64 km) |
| Sanlucar la Mayor to McAlester (Oklahoma) | 4,792.51 mi (7,712.80 km) |
| Sanlucar la Mayor to McAllen (Texas) | 5,247.35 mi (8,444.79 km) |
| Sanlucar la Mayor to McCalla (Alabama) | 4,418.37 mi (7,110.68 km) |
| Sanlucar la Mayor to McComb (Mississippi) | 4,663.62 mi (7,505.38 km) |
| Sanlucar la Mayor to McDonough (Georgia) | 4,268.00 mi (6,868.68 km) |
| Sanlucar la Mayor to McFarland (California) | 5,815.98 mi (9,359.92 km) |
| Sanlucar la Mayor to McHenry (Illinois) | 4,192.46 mi (6,747.11 km) |
