| Cincinnati to Marshall (Minnesota) | 686.30 mi (1,104.50 km) |
| Cincinnati to Marshall (Missouri) | 465.86 mi (749.73 km) |
| Cincinnati to Marshall (Texas) | 714.99 mi (1,150.66 km) |
| Cincinnati to Marshalltown (Iowa) | 483.71 mi (778.45 km) |
| Cincinnati to Marshfield (Wisconsin) | 479.80 mi (772.16 km) |
| Cincinnati to Martha Lake (Washington) | 1,962.16 mi (3,157.78 km) |
| Cincinnati to Martin (Tennessee) | 306.32 mi (492.97 km) |
| Cincinnati to Martinez (California) | 2,018.63 mi (3,248.68 km) |
| Cincinnati to Martinez (Georgia) | 410.76 mi (661.05 km) |
| Cincinnati to Martinsburg (West Virginia) | 349.67 mi (562.73 km) |
| Cincinnati to Martinsville (Indiana) | 104.71 mi (168.51 km) |
| Cincinnati to Martinsville (New Jersey) | 535.90 mi (862.44 km) |
| Cincinnati to Martinsville (Virginia) | 304.73 mi (490.41 km) |
| Cincinnati to Maryland City (Maryland) | 412.68 mi (664.14 km) |
| Cincinnati to Maryland Heights (Missouri) | 322.09 mi (518.35 km) |
