| Rio Grande City to Menen | 5,311.33 mi (8,547.76 km) |
| Rio Grande City to Merchtem | 5,349.58 mi (8,609.31 km) |
| Rio Grande City to Merelbeke | 5,329.73 mi (8,577.37 km) |
| Rio Grande City to Merksem | 5,349.09 mi (8,608.53 km) |
| Rio Grande City to Merksplas | 5,361.62 mi (8,628.69 km) |
| Rio Grande City to Mettet | 5,386.32 mi (8,668.45 km) |
| Rio Grande City to Meulebeke | 5,313.16 mi (8,550.71 km) |
| Rio Grande City to Middelkerke | 5,287.82 mi (8,509.92 km) |
| Rio Grande City to Mol | 5,377.01 mi (8,653.46 km) |
| Rio Grande City to Mons | 5,354.45 mi (8,617.15 km) |
| Rio Grande City to Montignies-le-Tilleul | 5,373.56 mi (8,647.92 km) |
| Rio Grande City to Moorslede | 5,306.16 mi (8,539.44 km) |
| Rio Grande City to Moortebeek | 5,357.15 mi (8,621.50 km) |
| Rio Grande City to Morlanwelz-Mariemont | 5,365.59 mi (8,635.09 km) |
| Rio Grande City to Mortsel | 5,352.43 mi (8,613.91 km) |
