| Middle River to Luzzara | 4,256.15 mi (6,849.61 km) |
| Middle River to Luzzi | 4,698.34 mi (7,561.25 km) |
| Middle River to Macerata | 4,432.48 mi (7,133.39 km) |
| Middle River to Macerata Campania | 4,548.45 mi (7,320.03 km) |
| Middle River to Macomer | 4,330.35 mi (6,969.02 km) |
| Middle River to Maddaloni | 4,554.83 mi (7,330.28 km) |
| Middle River to Magenta | 4,162.49 mi (6,698.89 km) |
| Middle River to Magione | 4,383.37 mi (7,054.35 km) |
| Middle River to Maglie | 4,754.18 mi (7,651.12 km) |
| Middle River to Magnago | 4,155.53 mi (6,687.68 km) |
| Middle River to Malalbergo | 4,300.95 mi (6,921.72 km) |
| Middle River to Malnate | 4,152.01 mi (6,682.01 km) |
| Middle River to Malo | 4,264.03 mi (6,862.30 km) |
| Middle River to Mandello del Lario | 4,166.84 mi (6,705.88 km) |
| Middle River to Manduria | 4,721.38 mi (7,598.33 km) |
