| Opovo to Marshall (Minnesota) | 5,124.61 mi (8,247.27 km) |
| Opovo to Marshall (Missouri) | 5,312.75 mi (8,550.05 km) |
| Opovo to Marshall (Texas) | 5,698.26 mi (9,170.46 km) |
| Opovo to Marshalltown (Iowa) | 5,152.43 mi (8,292.04 km) |
| Opovo to Marshfield (Wisconsin) | 4,926.07 mi (7,927.75 km) |
| Opovo to Martha Lake (Washington) | 5,631.37 mi (9,062.81 km) |
| Opovo to Martin (Tennessee) | 5,293.71 mi (8,519.40 km) |
| Opovo to Martinez (California) | 6,243.05 mi (10,047.22 km) |
| Opovo to Martinez (Georgia) | 5,164.52 mi (8,311.49 km) |
| Opovo to Martinsburg (West Virginia) | 4,717.87 mi (7,592.69 km) |
| Opovo to Martinsville (Indiana) | 5,049.26 mi (8,126.00 km) |
| Opovo to Martinsville (New Jersey) | 4,529.44 mi (7,289.43 km) |
| Opovo to Martinsville (Virginia) | 4,922.42 mi (7,921.87 km) |
| Opovo to Maryland City (Maryland) | 4,686.73 mi (7,542.56 km) |
| Opovo to Maryland Heights (Missouri) | 5,234.38 mi (8,423.93 km) |
