| Harrison to Marshall (Minnesota) | 1,141.03 mi (1,836.32 km) |
| Harrison to Marshall (Missouri) | 1,036.30 mi (1,667.77 km) |
| Harrison to Marshall (Texas) | 1,279.06 mi (2,058.45 km) |
| Harrison to Marshalltown (Iowa) | 992.83 mi (1,597.81 km) |
| Harrison to Marshfield (Wisconsin) | 868.89 mi (1,398.34 km) |
| Harrison to Martha Lake (Washington) | 2,398.47 mi (3,859.97 km) |
| Harrison to Martin (Tennessee) | 876.54 mi (1,410.65 km) |
| Harrison to Martinez (California) | 2,555.18 mi (4,112.16 km) |
| Harrison to Martinez (Georgia) | 692.82 mi (1,114.99 km) |
| Harrison to Martinsburg (West Virginia) | 249.24 mi (401.11 km) |
| Harrison to Martinsville (Indiana) | 679.19 mi (1,093.05 km) |
| Harrison to Martinsville (New Jersey) | 53.36 mi (85.87 km) |
| Harrison to Martinsville (Virginia) | 446.17 mi (718.04 km) |
| Harrison to Maryland City (Maryland) | 210.36 mi (338.54 km) |
| Harrison to Maryland Heights (Missouri) | 901.21 mi (1,450.35 km) |
