| Houston to Mauldin (South Carolina) | 837.76 mi (1,348.24 km) |
| Houston to Maumee (Ohio) | 1,044.75 mi (1,681.36 km) |
| Houston to Maumelle (Arkansas) | 391.07 mi (629.36 km) |
| Houston to Mayagüez (Puerto Rico) | 1,947.35 mi (3,133.96 km) |
| Houston to Mayfield Heights (Ohio) | 1,123.66 mi (1,808.36 km) |
| Houston to Mays Chapel (Maryland) | 1,252.94 mi (2,016.42 km) |
| Houston to Maywood (California) | 1,365.63 mi (2,197.77 km) |
| Houston to Maywood (Illinois) | 935.43 mi (1,505.43 km) |
| Houston to McAlester (Oklahoma) | 355.83 mi (572.65 km) |
| Houston to McAllen (Texas) | 301.51 mi (485.24 km) |
| Houston to McCalla (Alabama) | 548.61 mi (882.91 km) |
| Houston to McComb (Mississippi) | 309.49 mi (498.08 km) |
| Houston to McDonough (Georgia) | 707.30 mi (1,138.29 km) |
| Houston to McFarland (California) | 1,440.75 mi (2,318.66 km) |
| Houston to McHenry (Illinois) | 952.67 mi (1,533.17 km) |
