| Grass Valley to Rivalta di Torino | 5,797.67 mi (9,330.45 km) |
| Grass Valley to Rivarolo Canavese | 5,787.26 mi (9,313.70 km) |
| Grass Valley to Rivoli | 5,795.70 mi (9,327.27 km) |
| Grass Valley to Rocca di Papa | 6,133.24 mi (9,870.49 km) |
| Grass Valley to Rocca Priora | 6,133.73 mi (9,871.28 km) |
| Grass Valley to Roccapiemonte | 6,247.69 mi (10,054.69 km) |
| Grass Valley to Roccastrada | 6,017.70 mi (9,684.55 km) |
| Grass Valley to Romano di Lombardia | 5,835.99 mi (9,392.12 km) |
| Grass Valley to Rome | 6,119.25 mi (9,847.99 km) |
| Grass Valley to Roncade | 5,903.18 mi (9,500.26 km) |
| Grass Valley to Ronchi dei Legionari | 5,921.52 mi (9,529.76 km) |
| Grass Valley to Ronciglione | 6,088.89 mi (9,799.12 km) |
| Grass Valley to Rosa | 5,881.24 mi (9,464.94 km) |
| Grass Valley to Rosarno | 6,417.23 mi (10,327.53 km) |
| Grass Valley to Rosignano Marittimo | 5,975.27 mi (9,616.27 km) |
