| Round Rock to Mengen | 5,382.97 mi (8,663.05 km) |
| Round Rock to Meppen | 5,139.07 mi (8,270.53 km) |
| Round Rock to Merchweiler | 5,247.32 mi (8,444.75 km) |
| Round Rock to Mering | 5,438.78 mi (8,752.88 km) |
| Round Rock to Merseburg | 5,357.49 mi (8,622.04 km) |
| Round Rock to Merzenich | 5,175.59 mi (8,329.30 km) |
| Round Rock to Merzig | 5,227.02 mi (8,412.07 km) |
| Round Rock to Meschede | 5,222.69 mi (8,405.11 km) |
| Round Rock to Messkirch | 5,376.60 mi (8,652.81 km) |
| Round Rock to Messstetten | 5,363.81 mi (8,632.21 km) |
| Round Rock to Mettingen | 5,169.94 mi (8,320.22 km) |
| Round Rock to Mettlach | 5,224.80 mi (8,408.51 km) |
| Round Rock to Mettmann | 5,177.36 mi (8,332.16 km) |
| Round Rock to Metzingen | 5,363.15 mi (8,631.16 km) |
| Round Rock to Meuselwitz | 5,380.27 mi (8,658.70 km) |
