| Round Rock to Mozzate | 5,456.14 mi (8,780.81 km) |
| Round Rock to Muggia | 5,651.53 mi (9,095.26 km) |
| Round Rock to Muggio | 5,470.76 mi (8,804.34 km) |
| Round Rock to Mugnano di Napoli | 5,861.24 mi (9,432.76 km) |
| Round Rock to Musile di Piave | 5,603.53 mi (9,018.01 km) |
| Round Rock to Mussomeli | 5,978.73 mi (9,621.84 km) |
| Round Rock to Naples | 5,866.06 mi (9,440.52 km) |
| Round Rock to Nardo | 6,050.72 mi (9,737.69 km) |
| Round Rock to Narni | 5,725.31 mi (9,213.99 km) |
| Round Rock to Nembro | 5,486.60 mi (8,829.84 km) |
| Round Rock to Nepi | 5,729.15 mi (9,220.17 km) |
| Round Rock to Nerviano | 5,462.48 mi (8,791.01 km) |
| Round Rock to Nettuno | 5,773.73 mi (9,291.92 km) |
| Round Rock to Nichelino | 5,428.16 mi (8,735.77 km) |
| Round Rock to Nicosia | 6,000.07 mi (9,656.17 km) |
