| River Grove to Luzzara | 4,614.42 mi (7,426.20 km) |
| River Grove to Luzzi | 5,076.87 mi (8,170.43 km) |
| River Grove to Macerata | 4,793.51 mi (7,714.41 km) |
| River Grove to Macerata Campania | 4,923.48 mi (7,923.57 km) |
| River Grove to Macomer | 4,733.35 mi (7,617.59 km) |
| River Grove to Maddaloni | 4,929.62 mi (7,933.46 km) |
| River Grove to Magenta | 4,523.34 mi (7,279.61 km) |
| River Grove to Magione | 4,750.58 mi (7,645.32 km) |
| River Grove to Maglie | 5,119.81 mi (8,239.53 km) |
| River Grove to Magnago | 4,515.64 mi (7,267.22 km) |
| River Grove to Malalbergo | 4,658.06 mi (7,496.43 km) |
| River Grove to Malnate | 4,509.93 mi (7,258.04 km) |
| River Grove to Malo | 4,613.79 mi (7,425.17 km) |
| River Grove to Mandello del Lario | 4,522.18 mi (7,277.75 km) |
| River Grove to Manduria | 5,087.11 mi (8,186.91 km) |
