| Round Rock to Rivalta di Torino | 5,421.44 mi (8,724.96 km) |
| Round Rock to Rivarolo Canavese | 5,418.76 mi (8,720.66 km) |
| Round Rock to Rivoli | 5,420.10 mi (8,722.81 km) |
| Round Rock to Rocca di Papa | 5,763.76 mi (9,275.87 km) |
| Round Rock to Rocca Priora | 5,765.18 mi (9,278.17 km) |
| Round Rock to Roccapiemonte | 5,887.60 mi (9,475.17 km) |
| Round Rock to Roccastrada | 5,649.74 mi (9,092.37 km) |
| Round Rock to Romano di Lombardia | 5,494.84 mi (8,843.09 km) |
| Round Rock to Rome | 5,748.88 mi (9,251.93 km) |
| Round Rock to Roncade | 5,595.80 mi (9,005.58 km) |
| Round Rock to Ronchi dei Legionari | 5,631.67 mi (9,063.29 km) |
| Round Rock to Ronciglione | 5,721.82 mi (9,208.39 km) |
| Round Rock to Rosa | 5,567.99 mi (8,960.81 km) |
| Round Rock to Rosarno | 6,037.49 mi (9,716.40 km) |
| Round Rock to Rosignano Marittimo | 5,605.35 mi (9,020.94 km) |
