| Grenoble to Rivarolo Canavese | 97.65 mi (157.15 km) |
| Grenoble to Rivoli | 87.81 mi (141.31 km) |
| Grenoble to Rocca di Papa | 422.07 mi (679.26 km) |
| Grenoble to Rocca Priora | 423.48 mi (681.52 km) |
| Grenoble to Roccapiemonte | 545.89 mi (878.52 km) |
| Grenoble to Roccastrada | 308.69 mi (496.79 km) |
| Grenoble to Romano di Lombardia | 197.02 mi (317.07 km) |
| Grenoble to Rome | 407.19 mi (655.32 km) |
| Grenoble to Roncade | 324.25 mi (521.83 km) |
| Grenoble to Ronchi dei Legionari | 379.25 mi (610.34 km) |
| Grenoble to Ronciglione | 380.24 mi (611.94 km) |
| Grenoble to Rosa | 295.34 mi (475.31 km) |
| Grenoble to Rosarno | 700.65 mi (1,127.59 km) |
| Grenoble to Rosignano Marittimo | 264.60 mi (425.84 km) |
| Grenoble to Rosolini | 750.50 mi (1,207.81 km) |
