| Houston to Marshall (Minnesota) | 1,013.34 mi (1,630.81 km) |
| Houston to Marshall (Missouri) | 656.43 mi (1,056.42 km) |
| Houston to Marshall (Texas) | 199.72 mi (321.41 km) |
| Houston to Marshalltown (Iowa) | 857.48 mi (1,379.99 km) |
| Houston to Marshfield (Wisconsin) | 1,066.58 mi (1,716.49 km) |
| Houston to Martha Lake (Washington) | 1,891.94 mi (3,044.78 km) |
| Houston to Martin (Tennessee) | 589.80 mi (949.19 km) |
| Houston to Martinez (California) | 1,627.54 mi (2,619.28 km) |
| Houston to Martinez (Georgia) | 822.40 mi (1,323.53 km) |
| Houston to Martinsburg (West Virginia) | 1,191.00 mi (1,916.73 km) |
| Houston to Martinsville (Indiana) | 836.93 mi (1,346.91 km) |
| Houston to Martinsville (New Jersey) | 1,387.19 mi (2,232.47 km) |
| Houston to Martinsville (Virginia) | 1,014.07 mi (1,631.99 km) |
| Houston to Maryland City (Maryland) | 1,235.47 mi (1,988.29 km) |
| Houston to Maryland Heights (Missouri) | 677.71 mi (1,090.67 km) |
