| Round Rock to Mechernich | 5,188.11 mi (8,349.46 km) |
| Round Rock to Meckenbeuren | 5,405.09 mi (8,698.65 km) |
| Round Rock to Meckenheim | 5,200.81 mi (8,369.90 km) |
| Round Rock to Meerane | 5,393.85 mi (8,680.56 km) |
| Round Rock to Meerbusch | 5,165.57 mi (8,313.19 km) |
| Round Rock to Meine | 5,266.46 mi (8,475.55 km) |
| Round Rock to Meinerzhagen | 5,206.90 mi (8,379.70 km) |
| Round Rock to Meiningen | 5,330.73 mi (8,578.98 km) |
| Round Rock to Meissen | 5,418.00 mi (8,719.43 km) |
| Round Rock to Meitingen | 5,422.66 mi (8,726.92 km) |
| Round Rock to Melle | 5,194.19 mi (8,359.24 km) |
| Round Rock to Melsungen | 5,277.18 mi (8,492.80 km) |
| Round Rock to Memmelsdorf | 5,373.89 mi (8,648.44 km) |
| Round Rock to Memmingen | 5,418.32 mi (8,719.94 km) |
| Round Rock to Mendig | 5,219.91 mi (8,400.64 km) |
