| Tomball to Marrero (Louisiana) | 329.82 mi (530.79 km) |
| Tomball to Marshall (Minnesota) | 991.79 mi (1,596.13 km) |
| Tomball to Marshall (Missouri) | 638.11 mi (1,026.95 km) |
| Tomball to Marshall (Texas) | 184.57 mi (297.03 km) |
| Tomball to Marshalltown (Iowa) | 838.59 mi (1,349.57 km) |
| Tomball to Marshfield (Wisconsin) | 1,049.36 mi (1,688.78 km) |
| Tomball to Martha Lake (Washington) | 1,866.77 mi (3,004.28 km) |
| Tomball to Martin (Tennessee) | 582.01 mi (936.66 km) |
| Tomball to Martinez (California) | 1,605.47 mi (2,583.76 km) |
| Tomball to Martinez (Georgia) | 827.70 mi (1,332.06 km) |
| Tomball to Martinsburg (West Virginia) | 1,188.64 mi (1,912.93 km) |
| Tomball to Martinsville (Indiana) | 827.66 mi (1,331.99 km) |
| Tomball to Martinsville (New Jersey) | 1,385.05 mi (2,229.02 km) |
| Tomball to Martinsville (Virginia) | 1,014.73 mi (1,633.04 km) |
| Tomball to Maryland City (Maryland) | 1,234.17 mi (1,986.21 km) |
