| Opovo to McKeesport (Pennsylvania) | 4,751.53 mi (7,646.85 km) |
| Opovo to McKinleyville (California) | 6,102.17 mi (9,820.49 km) |
| Opovo to McKinney (Texas) | 5,749.02 mi (9,252.15 km) |
| Opovo to McLean (Virginia) | 4,709.66 mi (7,579.47 km) |
| Opovo to McMinnville (Oregon) | 5,815.57 mi (9,359.26 km) |
| Opovo to McMinnville (Tennessee) | 5,207.20 mi (8,380.17 km) |
| Opovo to McNair (Virginia) | 4,718.11 mi (7,593.07 km) |
| Opovo to McPherson (Kansas) | 5,507.80 mi (8,863.95 km) |
| Opovo to Mead Valley (California) | 6,377.14 mi (10,263.02 km) |
| Opovo to Meadow Woods (Florida) | 5,383.18 mi (8,663.38 km) |
| Opovo to Meadowbrook (Virginia) | 4,790.11 mi (7,708.94 km) |
| Opovo to Meadville (Pennsylvania) | 4,703.37 mi (7,569.34 km) |
| Opovo to Mebane (North Carolina) | 4,926.32 mi (7,928.14 km) |
| Opovo to Mechanicsville (Virginia) | 4,776.28 mi (7,686.69 km) |
| Opovo to Medford (Massachusetts) | 4,310.77 mi (6,937.51 km) |
