| Middle River to Melzo | 4,184.43 mi (6,734.18 km) |
| Middle River to Mendicino | 4,701.55 mi (7,566.41 km) |
| Middle River to Menfi | 4,617.93 mi (7,431.84 km) |
| Middle River to Mentana | 4,442.88 mi (7,150.12 km) |
| Middle River to Merano | 4,220.53 mi (6,792.29 km) |
| Middle River to Merate | 4,178.73 mi (6,725.02 km) |
| Middle River to Mercato San Severino | 4,580.97 mi (7,372.37 km) |
| Middle River to Mercogliano | 4,574.75 mi (7,362.35 km) |
| Middle River to Mesagne | 4,722.23 mi (7,599.69 km) |
| Middle River to Messina | 4,713.72 mi (7,586.01 km) |
| Middle River to Mestre | 4,304.91 mi (6,928.09 km) |
| Middle River to Mestrino | 4,286.31 mi (6,898.15 km) |
| Middle River to Milan | 4,175.76 mi (6,720.23 km) |
| Middle River to Milazzo | 4,698.48 mi (7,561.48 km) |
| Middle River to Minerbio | 4,301.65 mi (6,922.84 km) |
