| South Houston to Melzo | 5,425.42 mi (8,731.37 km) |
| South Houston to Mendicino | 5,951.17 mi (9,577.48 km) |
| South Houston to Menfi | 5,873.48 mi (9,452.46 km) |
| South Houston to Mentana | 5,690.16 mi (9,157.42 km) |
| South Houston to Merano | 5,454.63 mi (8,778.39 km) |
| South Houston to Merate | 5,419.01 mi (8,721.05 km) |
| South Houston to Mercato San Severino | 5,828.78 mi (9,380.51 km) |
| South Houston to Mercogliano | 5,822.23 mi (9,369.98 km) |
| South Houston to Mesagne | 5,966.44 mi (9,602.07 km) |
| South Houston to Messina | 5,966.20 mi (9,601.68 km) |
| South Houston to Mestre | 5,541.86 mi (8,918.76 km) |
| South Houston to Mestrino | 5,524.12 mi (8,890.22 km) |
| South Houston to Milan | 5,417.16 mi (8,718.08 km) |
| South Houston to Milazzo | 5,951.23 mi (9,577.58 km) |
| South Houston to Minerbio | 5,542.79 mi (8,920.26 km) |
