| Round Rock to Mancha Real | 5,164.33 mi (8,311.19 km) |
| Round Rock to Manilva | 5,127.49 mi (8,251.90 km) |
| Round Rock to Manises | 5,261.01 mi (8,466.78 km) |
| Round Rock to Manlleu | 5,302.52 mi (8,533.58 km) |
| Round Rock to Manresa | 5,291.35 mi (8,515.61 km) |
| Round Rock to Manzanares | 5,137.98 mi (8,268.78 km) |
| Round Rock to Manzanares el Real | 5,061.42 mi (8,145.57 km) |
| Round Rock to Maracena | 5,181.78 mi (8,339.27 km) |
| Round Rock to Marbella | 5,141.57 mi (8,274.57 km) |
| Round Rock to Marchena | 5,090.04 mi (8,191.63 km) |
| Round Rock to Marin | 4,786.09 mi (7,702.47 km) |
| Round Rock to Marratxi | 5,404.57 mi (8,697.82 km) |
| Round Rock to Martorell | 5,304.41 mi (8,536.63 km) |
| Round Rock to Martos | 5,149.27 mi (8,286.94 km) |
| Round Rock to Masamagrell | 5,263.78 mi (8,471.24 km) |
