| Houston to Mombris | 5,255.22 mi (8,457.47 km) |
| Houston to Monchengladbach | 5,112.51 mi (8,227.79 km) |
| Houston to Monschau | 5,126.40 mi (8,250.15 km) |
| Houston to Montabaur | 5,191.06 mi (8,354.20 km) |
| Houston to Moosburg | 5,419.15 mi (8,721.27 km) |
| Houston to Morbach | 5,184.27 mi (8,343.28 km) |
| Houston to Morfelden-Walldorf | 5,235.06 mi (8,425.02 km) |
| Houston to Morlenbach | 5,254.77 mi (8,456.73 km) |
| Houston to Morsbach | 5,172.51 mi (8,324.36 km) |
| Houston to Mosbach | 5,279.23 mi (8,496.10 km) |
| Houston to Mosigkau | 5,306.97 mi (8,540.74 km) |
| Houston to Mossingen | 5,308.66 mi (8,543.47 km) |
| Houston to Much | 5,158.75 mi (8,302.21 km) |
| Houston to Mucheln | 5,310.52 mi (8,546.46 km) |
| Houston to Muhlacker | 5,281.17 mi (8,499.22 km) |
