| Round Rock to Luzzara | 5,553.69 mi (8,937.80 km) |
| Round Rock to Luzzi | 6,009.41 mi (9,671.21 km) |
| Round Rock to Macerata | 5,732.22 mi (9,225.12 km) |
| Round Rock to Macerata Campania | 5,857.14 mi (9,426.15 km) |
| Round Rock to Macomer | 5,653.51 mi (9,098.45 km) |
| Round Rock to Maddaloni | 5,863.39 mi (9,436.21 km) |
| Round Rock to Magenta | 5,461.49 mi (8,789.42 km) |
| Round Rock to Magione | 5,686.92 mi (9,152.22 km) |
| Round Rock to Maglie | 6,057.56 mi (9,748.70 km) |
| Round Rock to Magnago | 5,454.03 mi (8,777.42 km) |
| Round Rock to Malalbergo | 5,597.83 mi (9,008.84 km) |
| Round Rock to Malnate | 5,449.08 mi (8,769.44 km) |
| Round Rock to Malo | 5,555.87 mi (8,941.30 km) |
| Round Rock to Mandello del Lario | 5,462.23 mi (8,790.61 km) |
| Round Rock to Manduria | 6,024.75 mi (9,695.90 km) |
