| Round Rock to Rodgau | 5,293.31 mi (8,518.75 km) |
| Round Rock to Roding | 5,460.28 mi (8,787.47 km) |
| Round Rock to Rodinghausen | 5,197.56 mi (8,364.66 km) |
| Round Rock to Roetgen | 5,169.31 mi (8,319.20 km) |
| Round Rock to Rommerskirchen | 5,174.55 mi (8,327.64 km) |
| Round Rock to Ronnenberg | 5,237.50 mi (8,428.94 km) |
| Round Rock to Rosbach vor der Hohe | 5,276.16 mi (8,491.16 km) |
| Round Rock to Rosdorf | 5,276.45 mi (8,491.62 km) |
| Round Rock to Rosenheim | 5,498.70 mi (8,849.30 km) |
| Round Rock to Rosrath | 5,197.72 mi (8,364.93 km) |
| Round Rock to Rossdorf | 5,294.27 mi (8,520.30 km) |
| Round Rock to Rosstal | 5,391.53 mi (8,676.83 km) |
| Round Rock to Rostock | 5,258.01 mi (8,461.95 km) |
| Round Rock to Rotenburg an der Fulda | 5,288.77 mi (8,511.45 km) |
| Round Rock to Roth | 5,405.20 mi (8,698.83 km) |
