| Rio de Mouro to Mauldin (South Carolina) | 3,937.79 mi (6,337.26 km) |
| Rio de Mouro to Maumee (Ohio) | 3,802.76 mi (6,119.95 km) |
| Rio de Mouro to Maumelle (Arkansas) | 4,436.51 mi (7,139.87 km) |
| Rio de Mouro to Mayagüez (Puerto Rico) | 3,719.26 mi (5,985.56 km) |
| Rio de Mouro to Mayfield Heights (Ohio) | 3,699.10 mi (5,953.13 km) |
| Rio de Mouro to Mays Chapel (Maryland) | 3,520.55 mi (5,665.78 km) |
| Rio de Mouro to Maywood (California) | 5,657.83 mi (9,105.39 km) |
| Rio de Mouro to Maywood (Illinois) | 3,990.02 mi (6,421.32 km) |
| Rio de Mouro to McAlester (Oklahoma) | 4,597.15 mi (7,398.40 km) |
| Rio de Mouro to McAllen (Texas) | 5,053.77 mi (8,133.25 km) |
| Rio de Mouro to McCalla (Alabama) | 4,224.43 mi (6,798.57 km) |
| Rio de Mouro to McComb (Mississippi) | 4,469.83 mi (7,193.49 km) |
| Rio de Mouro to McDonough (Georgia) | 4,074.59 mi (6,557.43 km) |
| Rio de Mouro to McFarland (California) | 5,624.16 mi (9,051.22 km) |
| Rio de Mouro to McHenry (Illinois) | 3,997.24 mi (6,432.93 km) |
