| South Houston to Montijo | 4,898.72 mi (7,883.73 km) |
| South Houston to Montilla | 5,034.28 mi (8,101.89 km) |
| South Houston to Montmelo | 5,244.13 mi (8,439.61 km) |
| South Houston to Montornes del Valles | 5,245.23 mi (8,441.39 km) |
| South Houston to Montoro | 5,034.22 mi (8,101.80 km) |
| South Houston to Monzon | 5,138.21 mi (8,269.15 km) |
| South Houston to Mora | 5,016.09 mi (8,072.62 km) |
| South Houston to Moralzarzal | 4,978.71 mi (8,012.46 km) |
| South Houston to Moron de la Frontera | 5,006.55 mi (8,057.26 km) |
| South Houston to Mostoles | 4,993.29 mi (8,035.92 km) |
| South Houston to Motril | 5,114.32 mi (8,230.70 km) |
| South Houston to Muchamiel | 5,215.21 mi (8,393.07 km) |
| South Houston to Mula | 5,175.76 mi (8,329.58 km) |
| South Houston to Munguia | 4,956.12 mi (7,976.11 km) |
| South Houston to Murcia | 5,195.06 mi (8,360.64 km) |
