| Round Rock to Marasesti | 6,132.89 mi (9,869.94 km) |
| Round Rock to Marghita | 5,894.15 mi (9,485.72 km) |
| Round Rock to Marginea | 5,992.02 mi (9,643.23 km) |
| Round Rock to Matca | 6,144.66 mi (9,888.87 km) |
| Round Rock to Medgidia | 6,248.41 mi (10,055.85 km) |
| Round Rock to Media | 6,020.56 mi (9,689.16 km) |
| Round Rock to Miercurea-Ciuc | 6,060.90 mi (9,754.08 km) |
| Round Rock to Mioveni | 6,097.84 mi (9,813.53 km) |
| Round Rock to Mizil | 6,148.54 mi (9,895.11 km) |
| Round Rock to Moinesti | 6,080.60 mi (9,785.78 km) |
| Round Rock to Moisei | 5,956.03 mi (9,585.30 km) |
| Round Rock to Moldova Noua | 5,990.28 mi (9,640.43 km) |
| Round Rock to Moreni | 6,121.60 mi (9,851.76 km) |
| Round Rock to Motru | 6,034.25 mi (9,711.18 km) |
| Round Rock to Murfatlar | 6,257.28 mi (10,070.12 km) |
