| Hennef to Mauldin (South Carolina) | 4,389.56 mi (7,064.31 km) |
| Hennef to Maumee (Ohio) | 4,116.93 mi (6,625.55 km) |
| Hennef to Maumelle (Arkansas) | 4,779.70 mi (7,692.18 km) |
| Hennef to Mayagüez (Puerto Rico) | 4,575.14 mi (7,362.98 km) |
| Hennef to Mayfield Heights (Ohio) | 4,035.05 mi (6,493.79 km) |
| Hennef to Mays Chapel (Maryland) | 3,942.66 mi (6,345.11 km) |
| Hennef to Maywood (California) | 5,706.67 mi (9,184.00 km) |
| Hennef to Maywood (Illinois) | 4,258.35 mi (6,853.15 km) |
| Hennef to McAlester (Oklahoma) | 4,901.93 mi (7,888.90 km) |
| Hennef to McAllen (Texas) | 5,459.58 mi (8,786.34 km) |
| Hennef to McCalla (Alabama) | 4,651.11 mi (7,485.24 km) |
| Hennef to McComb (Mississippi) | 4,891.59 mi (7,872.26 km) |
| Hennef to McDonough (Georgia) | 4,529.77 mi (7,289.96 km) |
| Hennef to McFarland (California) | 5,637.57 mi (9,072.79 km) |
| Hennef to McHenry (Illinois) | 4,252.67 mi (6,844.02 km) |
