| Round Rock to Rothenbach an der Pegnitz | 5,401.94 mi (8,693.58 km) |
| Round Rock to Rothenburg ob der Tauber | 5,365.81 mi (8,635.44 km) |
| Round Rock to Rottweil | 5,351.10 mi (8,611.76 km) |
| Round Rock to Rudersberg | 5,359.50 mi (8,625.29 km) |
| Round Rock to Rudesheim am Rhein | 5,258.48 mi (8,462.70 km) |
| Round Rock to Rudolstadt | 5,357.83 mi (8,622.59 km) |
| Round Rock to Runkel | 5,251.81 mi (8,451.97 km) |
| Round Rock to Ruppichteroth | 5,211.07 mi (8,386.41 km) |
| Round Rock to Russelsheim | 5,276.30 mi (8,491.38 km) |
| Round Rock to Rutesheim | 5,339.93 mi (8,593.78 km) |
| Round Rock to Ruthen | 5,224.92 mi (8,408.69 km) |
| Round Rock to Saalfeld | 5,361.81 mi (8,629.00 km) |
| Round Rock to Saarbrucken | 5,249.50 mi (8,448.25 km) |
| Round Rock to Saarlouis | 5,236.86 mi (8,427.92 km) |
| Round Rock to Saarwellingen | 5,237.67 mi (8,429.22 km) |
