| Houston to Morristown (New Jersey) | 1,397.71 mi (2,249.39 km) |
| Houston to Morristown (Tennessee) | 828.06 mi (1,332.63 km) |
| Houston to Morrisville (North Carolina) | 1,046.42 mi (1,684.06 km) |
| Houston to Morro Bay (California) | 1,526.95 mi (2,457.39 km) |
| Houston to Morton (Illinois) | 818.89 mi (1,317.87 km) |
| Houston to Morton Grove (Illinois) | 946.62 mi (1,523.44 km) |
| Houston to Moscow (Idaho) | 1,646.25 mi (2,649.38 km) |
| Houston to Moses Lake (Washington) | 1,749.15 mi (2,814.99 km) |
| Houston to Moss Bluff (Louisiana) | 135.40 mi (217.90 km) |
| Houston to Moss Point (Mississippi) | 412.32 mi (663.56 km) |
| Houston to Moultrie (Georgia) | 697.97 mi (1,123.27 km) |
| Houston to Mounds View (Minnesota) | 1,065.21 mi (1,714.29 km) |
| Houston to Mount Airy (North Carolina) | 971.06 mi (1,562.78 km) |
| Houston to Mount Clemens (Michigan) | 1,124.25 mi (1,809.31 km) |
| Houston to Mount Dora (Florida) | 830.96 mi (1,337.30 km) |
